Vegan Neapolitan Stuffed Peppers | Peperoni Imbottiti alla Napoletana
Peperoni imbottiti, in Neapolitan dialect peperoni 'mbuttunati, are whole bell peppers filled to the top with a savory mixture of stale bread, fried eggplant, black olives, capers, tomato, garlic and herbs, then baked slowly until the skins wrinkle and the filling turns golden. They are a dish of the Neapolitan home kitchen, made in summer from what the garden and the pantry offer, and they are served as a main course with bread. This version is fully plant based. It keeps the classic filling of Gaeta olives, capers and basil, gives it body with eggplant browned in olive oil, binds it with the soaking water of the bread and a little tomato, and bakes the peppers covered and then uncovered, so the walls become meltingly soft while the top forms a crisp crust.
Yield: 6 servings. Prep: 40 minutes. Cook: 1 hour 15 minutes. Rest: 15 minutes. Course: secondo piatto. Region: Campania.
The Story
Naples has always stuffed its vegetables. Its cooks fill eggplant, zucchini, tomatoes and peppers with bread and pantry ingredients, a way of turning a garden vegetable into a full meal for many people with little money. The word imbottito, stuffed or padded, and its dialect form 'mbuttunato describe the result well: a pepper so full that it looks swollen. The dish belongs to the cucina casalinga, the cooking of the family, and has never had a single fixed recipe. Each household fills its peppers with what it has, and the filling changes with the season and with the budget.
The pepper itself found ideal conditions in Campania. The volcanic soils around Vesuvius and the fertile plains of the provinces of Naples and Caserta produce fleshy, sweet peppers with thick walls, and the area of Pontecorvo, just across the border in southern Lazio, gives its name to a DOP pepper with a long horn shape and thin skin. For stuffing, Neapolitans prefer large, square peppers, red or yellow, that stand upright in the pan and hold a generous filling without collapsing during the long bake.
The heart of the filling comes from the Neapolitan pantry. Stale bread, never wasted, is soaked and squeezed. Olives of Gaeta, purple black and tender, come from the coast between Naples and Rome, and capers are salted and stored for the whole year. Tomatoes, basil and garlic come from the summer garden. Many families make the filling richer with grated sheep's cheese, salted alici or ground meat, and some add the fried eggplant left from another dish; the poorest and oldest versions used only bread, olives and capers.
This recipe starts from that older, simpler version, which is already almost entirely plant based, and builds it up with eggplant fried in olive oil to give the softness and richness that cheese gives in other versions. It keeps the Neapolitan flavors exactly, with the salt of the capers, the fruit of the olives and the perfume of basil, and adds precision where it matters: pepper size, filling moisture and a two stage bake.
Ingredients
Choose large, square red and yellow bell peppers, with four lobes and a flat base so they stand upright. They should feel heavy, with glossy, tight skin. Use day old country bread with a firm crumb, never sandwich bread, which turns to paste. The eggplant should be firm, glossy and light for its size, a sign of few seeds. Gaeta olives are the Neapolitan classic; any small black olive cured in brine works, while oil cured, wrinkled olives are too bitter here. Use salted capers and soak them well.
For the peppers
Red and yellow bell peppers, large, square, 6 (about 3 1/2 lb, 1.6 kg)
Fine sea salt, for the inside, 1/2 tsp (3 g)
For the eggplant
Eggplant, firm, 1 large (about 1 lb, 450 g), cut into 1/2 inch (12 mm) cubes
Fine sea salt, 1 tsp (6 g), for drawing out water
Extra virgin olive oil, 1/4 cup (60 ml)
For the filling
Day old country bread, crust removed, 7 oz (200 g)
Cold water, for soaking, 1 cup (240 ml)
Extra virgin olive oil, 3 tbsp (45 ml)
Garlic, 2 cloves, finely chopped
Cherry tomatoes, ripe, 10 oz (280 g), quartered
Gaeta olives, pitted and roughly chopped, 2/3 cup (90 g)
Salted capers, 3 tbsp (30 g), soaked, rinsed and chopped
Fresh basil leaves, torn, 1/2 cup (12 g)
Flat leaf parsley, chopped, 3 tbsp (10 g)
Dried oregano, 1/2 tsp (0.5 g)
Dry breadcrumbs, 1/3 cup (35 g), plus 3 tbsp (20 g) for the top
Fine sea salt and freshly ground black pepper, to taste
For baking
Tomato passata, 1 cup (240 ml)
Water, 1/2 cup (120 ml)
Extra virgin olive oil, 3 tbsp (45 ml)
Fresh basil leaves, to finish
Preparation
Step 1
Salt and fry the eggplant. Toss the eggplant cubes with 1 tsp (6 g) of salt in a colander and leave them for 30 minutes, then press them gently in a towel to remove the water. Heat 1/4 cup (60 ml) of olive oil in a wide pan over medium high heat and fry the cubes in a single layer, turning them, for 8 to 10 minutes, until golden on all sides and soft inside. Lift them onto paper towels. Salting draws water out of the cells, so the eggplant browns instead of steaming and absorbs less oil; the browned cubes give the filling a soft, rich texture.
Step 2
Prepare the peppers. Heat the oven to 375°F (190°C). Cut a lid off the top of each pepper, about 3/4 inch (2 cm) below the stem, and keep the lids. Pull out the seeds and cut away the white ribs with a small knife, without piercing the walls. If a pepper does not stand upright, shave a very thin slice off the base, without making a hole. Sprinkle the insides with salt and turn them upside down on a rack for 10 minutes. The salt seasons the walls from inside and draws out a little water that would otherwise dilute the filling.
Step 3
Soak the bread. Tear the bread into pieces, put it in a bowl and pour the cold water over it. After 5 minutes, squeeze it firmly in your hands, keeping the water that runs out, and crumble it into a large bowl. The bread should be moist and soft but not wet. Bread is the binder of the filling: its swollen starch holds all the other ingredients together during the bake and gives a soft, tender texture once cooked.
Step 4
Cook the tomato base. Warm 3 tbsp (45 ml) of olive oil in the same pan over medium heat, add the garlic and cook it for 1 minute, until fragrant and pale gold. Add the cherry tomatoes with a pinch of salt and cook them for 4 to 5 minutes, crushing them lightly, until they have softened and released part of their juice but still hold some shape. Cooking the tomatoes briefly removes their raw acidity and part of their water, so the filling stays firm in the oven instead of turning liquid.
Step 5
Mix the filling. Add the tomatoes to the crumbled bread, then the fried eggplant, the olives, the capers, the torn basil, the parsley, the oregano and 1/3 cup (35 g) of breadcrumbs. Mix with your hands until the filling is evenly combined. Taste and season with salt and black pepper, remembering that capers and olives are already salty. The filling should be moist and hold together when pressed; if it is dry, add a spoon of the bread soaking water; if it is loose, add a spoon of breadcrumbs.
Step 6
Fill the peppers. Divide the filling among the peppers, pressing it in gently with a spoon so there are no air pockets, and fill them to the rim with a slight dome. Sprinkle 3 tbsp (20 g) of breadcrumbs over the tops and put the lids back on. Stand the peppers close together in a deep baking dish so they support each other. Mix the passata with the water and a pinch of salt and pour it around the peppers, then drizzle 3 tbsp (45 ml) of olive oil over the tops. Firm, even filling cooks uniformly; air pockets make the peppers collapse when the walls soften.
Step 7
Bake covered, then uncovered. Cover the dish with foil and bake for 40 minutes. Remove the foil and the lids, baste the peppers with the sauce from the dish, set the lids beside them and bake for another 25 to 35 minutes, until the skins are wrinkled and lightly browned, the walls are very soft when pierced with a knife and the tops are golden and crisp. Rest them for 15 minutes before serving. The covered stage cooks the thick walls in moist heat; the uncovered stage concentrates the sauce and browns the tops.
Plating
Serve the peppers hot or warm, around 140°F (60°C), on warm plates. Neapolitans often eat them warm rather than hot, when the flavors of the filling are most evident. Put one pepper in the center of each plate, standing upright with its lid leaning against it, and spoon the reduced tomato sauce from the dish around it.
Finish with a thread of raw extra virgin olive oil and two or three fresh basil leaves. Serve country bread beside the plate for the sauce. The guest cuts into the pepper with a knife and fork, so each bite brings together the soft, sweet wall, the savory filling and the crisp top.
Professional Technique
The key ratio is filling to pepper. Each large pepper of about 9 oz (250 g) holds about 7 oz (200 g) of filling. Measured together, the filling should be about one third soaked bread, one third vegetables (eggplant and tomatoes) and one third the savory accents and crumbs together. Too much bread makes a heavy, stodgy filling; too little lets the filling fall apart when cut.
The hidden variable is the water of the filling. Bread, tomatoes and eggplant all bring water, and the pepper releases more during the bake. Squeezing the bread hard, cooking the tomatoes briefly and salting the eggplant before frying keep the filling dense enough to stay firm and moist enough to remain tender. The breadcrumbs added to the mixture and on top absorb the remaining excess.
The doneness test is the knife. A thin blade must slip through the wall of the pepper without resistance, and the skin should be wrinkled and loose. The filling should be hot at the center, about 165°F (74°C) on an instant-read thermometer, and the sauce in the dish thick enough to coat a spoon.
Softness and Crust Control
A stuffed pepper is a contrast of textures: walls so soft they almost melt, a moist filling and a crisp top. The two stage bake builds that contrast. Under foil, the steam trapped in the dish cooks the thick walls evenly, from all sides, without drying the filling. Once uncovered, the dry heat of the oven evaporates the surface moisture and browns the breadcrumbs.
The sauce around the peppers is part of the technique. The diluted passata keeps the bottom of the dish moist, protects the peppers from scorching and, as it reduces, becomes a concentrated sauce that has absorbed the juices of the peppers. Basting halfway through the uncovered stage gives the skins a glossy coat and helps them color evenly.
Resting completes the dish. Straight from the oven the filling is loose and very hot; after 15 minutes the starch of the bread sets, the filling holds when cut and the aromas of basil and olives are clearer. Do not skip this rest, especially if you want to cut the peppers in half to serve them.
Professional Mise en Place
Stuffed peppers are a dish for planning. Fry the eggplant and prepare the filling in advance, fill the peppers an hour before baking and count about 1 hour 30 minutes between the oven and the table, including the rest.
Equipment and tools
Colander, wide heavy pan, slotted spoon, paper towels
Small sharp knife for cleaning the peppers, wire rack
Large mixing bowl, tablespoon
Deep baking dish, about 9 by 13 inches (23 by 33 cm), foil, instant-read thermometer
Prepared ahead
Eggplant salted, fried and drained, up to 1 day ahead, refrigerated
Filling mixed, without basil, up to 1 day ahead, refrigerated
Peppers cleaned and salted, up to 4 hours ahead
Passata diluted and seasoned
Service setup
Oven at 375°F (190°C), peppers filled and in the dish
Plates warmed to about 140°F (60°C)
Fresh basil leaves, olive oil in a small jug on the pass
Country bread sliced
Chef Tips
Fry a little more eggplant than you need and keep it aside. A few golden cubes scattered around the peppers at the moment of serving add a different texture and remind the guest of what is inside.
If your peppers are very tall, lay them on their sides instead, cut in half lengthwise through the stem. Halves cook faster, about 45 minutes in total, and give a larger crisp surface. This is also a practical way to serve smaller portions as an antipasto.
For a deeper flavor, toast the breadcrumbs for the top in a dry pan until golden before using them. They will brown faster and more evenly in the oven and add a nutty note to the crust.
Stuffed peppers are even better the day after, when the filling has absorbed the flavors of the sauce. Bake them a day ahead, refrigerate them in their dish and reheat them gently before serving.
Common Mistakes
Choosing peppers that do not stand. Long or irregular peppers fall over in the dish and lose their filling. Choose square peppers with a flat base, or cut them in half lengthwise.
Using fresh bread. Fresh bread turns to glue when soaked and makes the filling heavy. Use day old bread with a firm crumb and squeeze it well.
Skipping the salting of the eggplant. Unsalted eggplant absorbs a lot of oil and steams instead of browning. Salt it for 30 minutes and dry it before frying.
Adding raw tomatoes. Raw tomatoes release all their water in the oven and make the filling soggy. Cook them briefly first.
Overseasoning. Olives and capers are very salty, and the filling concentrates as it bakes. Taste before adding any salt.
Baking uncovered from the start. The tops burn before the walls are soft. Cover the dish for the first 40 minutes.
Cutting them straight from the oven. The hot filling is loose and falls out. Let the peppers rest for 15 minutes.
Wine Pairing
Lacryma Christi del Vesuvio DOC: The wine of the slopes of Vesuvius, made in white and red. The white, from Coda di Volpe and Falanghina, has a mineral, slightly smoky profile that suits the peppers and the olives; the red, from Piedirosso, is light and fruity. Serve the white at about 50°F (10°C), the red at about 60°F (16°C).
Greco di Tufo DOCG: A white from Irpinia with notes of pear, almond and a mineral, almost saline finish. Its firm acidity and body stand up to the tomato and the fried eggplant. Serve it at about 50°F (10°C).
Fiano di Avellino DOCG: A white from the hills of Avellino with hazelnut, ripe pear and light smoky notes. Its richness meets the olive oil and the toasted crust, and its freshness keeps the dish light. Serve it at about 52°F (11°C).
Aglianico del Taburno DOCG: A red from the province of Benevento, with dark cherry, spice and firm tannins. Choose a younger bottle: its structure and acidity suit the concentrated tomato sauce and the savory filling. Serve it at about 62°F (17°C).
Storage & Reheating
Refrigerator: keep the peppers in their baking dish, covered, or in an airtight container with their sauce, for up to 3 days. The filling becomes even more flavorful as it rests. Freezer: stuffed peppers can be frozen for up to 2 months, individually wrapped, but the walls become softer on thawing; thaw them overnight in the refrigerator before reheating. The uncooked filling freezes well and is the better choice for longer storage.
Reheat the peppers in a 350°F (175°C) oven, covered with foil, with 2 to 3 tbsp (30 to 45 ml) of water in the dish, for 20 to 25 minutes, until the center reaches about 165°F (74°C); uncover for the last 5 minutes to crisp the top. In the microwave, heat one pepper at a time, covered, at 70 percent power for 3 minutes, then 1 more minute if needed. Finish with fresh basil and a drizzle of olive oil.
Nutrition
Per serving, based on 6 servings (1 pepper each):
Calories: 410 kcal
Total Fat: 24 g
Saturated Fat: 3 g
Trans Fat: 0 g
Unsaturated Fat: 21 g
Cholesterol: 0 mg
Sodium: 820 mg
Total Carbohydrates: 44 g
Fiber: 8 g
Total Sugars: 14 g
Added Sugars: 0 g
Protein: 8 g
Principal micronutrients: vitamin C, vitamin A, vitamin B6, vitamin E, folate, potassium
These figures are estimates, calculated on the quantities listed and rounded to the nearest whole number, assuming that part of the frying oil stays in the pan. They vary with the size of the peppers, the bread and the amount of sauce eaten.
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