Italian Jam Sandwich Cookies | Occhio di Bue

Sep 29

11 min read

Occhio di Bue (Italian Jam Sandwich Cookies)

An occhio di bue is two shortcrust discs and a spoonful of jam, and almost everything that can go wrong with it happens after the oven. The biscuit is the easy part. The difficulty is the small round window of fruit: bright, level, framed by clean pastry and a fall of white sugar.

Get it right and you have a biscuit that snaps on the first day and softens into something like a small cake by the second.

Yield: about 20 sandwich cookies. Prep: 30 minutes. Chill: 2 hours. Bake: 12 minutes per tray. Total: about 3 hours 30 minutes. Difficulty: intermediate. Region: northern Italy.

The Story

The name is plain Italian. Occhio di bue means ox eye, the same phrase Italians use for a fried egg, uovo all'occhio di bue, because both show a bright yellow disc inside a pale ring. Nobody calls the biscuit anything grander. In pastry shop windows from Turin to Udine it is labelled occhi di bue and sold loose by the etto beside krumiri and brutti ma buoni.

Its ancestry is Austrian. The direct parent is the Linzer Auge, the biscuit form of the Linzer Torte, whose recipe survives in a manuscript from Linz dated 1653 and is often cited as the oldest written cake recipe in Europe. The Linzer version uses a dark dough of ground almonds or hazelnuts with cinnamon and cloves, filled with redcurrant preserve. Under Habsburg rule that pastry culture crossed the Alps and settled in Trentino Alto Adige, Friuli and the Veneto, where Austrian bakers and Austrian ovens were part of daily life.

Italy stripped it back. The spiced nut dough gave way to plain pasta frolla, and the redcurrant to apricot or to the sour cherry of the Veneto, the filling closest to the Austrian original. The biscuit then travelled into Piedmont and Lombardy and eventually across the whole peninsula. Today it is one of the first things an Italian child learns to bake, partly because cutting the windows is fun and partly because the dough forgives a lot.

Filling habits still vary from town to town. Apricot is the pastry shop default, sour cherry belongs to the Veneto, raspberry or redcurrant to the Alpine north. The window cutter changes with the calendar: a plain round most of the year, a heart in February, a star at Christmas, when a tin of these is one of the first gifts to leave the kitchen.

The chocolate hazelnut version, popular since the nineteen sixties, is a modern Italian addition and a different biscuit. Chocolate never sets the way cooked fruit does, so it always stays softer at the centre. This recipe is the fruit version, the one you find in a pasticceria on a Sunday morning, tied into a paper parcel with a ribbon. A dry buttery frolla with a bright fruit centre is built for a small cup of espresso taken standing at the bar.

Ingredients

For the dough

All purpose flour, 2 1/3 cups (300 g)
Unsalted butter, cold and cubed, 3/4 cup (170 g)
Granulated sugar, 1/2 cup plus 2 tbsp (125 g)
Egg yolks, large, 2
Whole egg, large, 1
Lemon zest, finely grated, from 1 unwaxed lemon
Pure vanilla extract, 1 tsp (5 ml)
Fine sea salt, 1/4 tsp (1.5 g)
Baking powder, 1/4 tsp (1 g), optional
Parchment paper, 4 sheets, for rolling and baking
Flour for the bench, 2 tbsp (15 g)

For the filling

Thick apricot jam or sour cherry preserve, 3/4 cup (240 g)
Lemon juice, 1 tsp (5 ml)
Water, up to 1 tbsp (15 ml), only if the jam is very stiff

For finishing

Confectioners sugar, 1/3 cup (40 g), for dusting

A note on the jam. Choose a firm pastry jam. Apricot is the Italian default because it is bright and not too sweet, sour cherry is the Veneto choice, and raspberry works once the seeds are sieved out. A soft breakfast conserve or anything labelled fruit spread carries too much free water for a filling that sits in an open window. Weigh the jam rather than measuring it by the cup, since the same volume of a stiff jam and a loose one differs by a full spoonful of water.

Preparation

Rub the butter into the flour

Rub the cold butter into the flour and salt with your fingertips until the mixture looks like coarse breadcrumbs. Stir in the sugar, lemon zest and vanilla. Beat the whole egg with the yolks, pour them in and bring the dough together with a few quick movements. Stop the moment it forms a mass. Extra working develops gluten and warms the butter, and both show later as a biscuit that shrinks and hardens.

Rest the dough as a flat disc

Press the dough into a disc 1 inch (2.5 cm) thick, wrap it and refrigerate for at least 1 hour. A flat disc chills evenly and comes back to a rollable state far sooner than a ball. The rest firms the butter for a clean cut and lets the flour hydrate, so the surface rolls out smooth instead of cracking at the edges.

Roll and cut the discs

Roll the dough between two sheets of parchment to exactly 1/8 inch (3 mm), turning the sandwich over every few passes. If it softens, slide it onto a tray and chill it for 10 minutes rather than adding flour. Cut an even number of discs with a 2 1/4 inch (5.5 cm) cutter, pressing straight down without twisting. Cut a window of 3/4 to 1 inch (2 to 2.5 cm) from the centre of exactly half of them. Gather the scraps once only.

Chill the cut discs

Lay the discs on parchment lined trays, whole and windowed ones on separate trays, and refrigerate for 30 minutes. Heat the oven to 340°F (170°C) while they chill. Cold butter holds the cut edge sharp while the structure sets, so the window bakes as a clean circle instead of a soft oval.

Bake each shape on its own tray

Bake one tray at a time in the centre of the oven. Whole discs need about 12 minutes, windowed discs about 10. They are ready when the rims are pale straw and the centres still look blond. Rotate the tray once at the halfway point. Rest them for 3 minutes on the tray, then move them to a rack and cool completely.

Reduce the jam apart

Warm the jam with the lemon juice until it loosens and push it through a fine sieve. Return it to the pan and cook over low heat for 2 to 4 minutes. Drop a teaspoon on a saucer kept in the freezer, wait 30 seconds and push the edge with a fingertip: it should wrinkle and hold a line. Cool it until just warm, around 105°F (40°C), thick and spoonable.

Dust the windowed tops

Lay the windowed discs on a rack, still empty, and dust them with confectioners sugar through a fine sieve held high. Do it now, while the window is a hole and the excess falls to the rack. Sugar that lands on jam dissolves into it within minutes and leaves a cloudy pink film.

Fill and close

Turn the whole discs flat side up and put 1 teaspoon (7 g) of warm jam in the centre of each, leaving a clear margin of 1/4 inch (6 mm). Lower each dusted top squarely onto its base without sliding, and press gently at the rim with two fingertips. The jam should rise to fill the window, level with the surface. Let the finished biscuits rest for 30 minutes.

Plating

Let the biscuits sit for 30 minutes after assembly so the jam settles and the sugar sets, then handle them by the rim only, since a fingertip on the sugar leaves a mark. Present them the way a pastry shop does: in a single layer on a flat ceramic plate or a wooden board, windows facing up, in loose concentric rings, with a few of the small cut out shapes scattered between them. Do not stack them, because sugar transfers from the top of one to the base of the next.

For a gift box, line it with parchment and lay them flat, then dust one last very light veil over the box from about 12 inches (30 cm) above. Serve with an espresso in the afternoon, the moment most Italians actually eat them, or with a small glass of sweet wine at the end of a meal.

Professional Technique

The technique that defines this biscuit is filling the window after the bake, with a jam reduced separately. Jam placed in the window before baking looks logical and always fails. In the oven it boils, its water evaporates unevenly and it shrinks away from the pastry. Where fruit meets dough the sugar crystallizes and leaves a dull opaque ring around a sunken centre, instead of a clear glossy disc.

So the jam is cooked on its own until it reaches the point of a veil: it coats a spoon in a thin translucent film and wrinkles on a frozen saucer. It is spread while tepid and left to set on the cold biscuit. Sieving matters too, because skins and fibre break the smooth surface that makes the window shine like glass.

The second point is thickness. The two discs must match to the millimetre, which is why the dough is rolled between parchment, ideally against guides of 1/8 inch (3 mm). The windowed disc already loses a fifth of its mass and gains a second cut edge that conducts heat inward. If it is even slightly thinner than its partner it colours and dries first, comes out brittle and cracks when pressed onto the base. That is also why the two shapes bake on separate trays.

The third point is when the pair is joined. The discs are joined only when just cold. A warm disc is still soft, so it bends, and it melts the jam and the sugar. A just cold disc has set butter and can be handled without breaking, yet it still takes the tepid jam, which grips the pastry as it firms and glues the pair together.

Texture and Moisture Control

An occhio di bue lives in a slow negotiation between a dry biscuit and a wet filling. On day one it snaps cleanly and the jam is firm and bright. By day two moisture has moved from the fruit into the crumb and the biscuit softens into something between a cookie and a small cake, which many Italians consider the best stage. By day five the softening reaches the rim and the biscuit is past its best. Well reduced jam slows that clock, while loose jam compresses it into a single afternoon.

Temperature matters at assembly. The jam should spread easily but sit no hotter than about 105°F (40°C). Hot jam acts as a solvent, wets the crumb and sends a translucent ring outward from the centre of the base within a minute. Humidity does the rest, since confectioners sugar is hygroscopic. On a humid day the veil turns from powdery white to transparent within an hour, so assemble in the driest, coolest corner of the kitchen and dust lightly once more just before serving. Keeping the tin closed matters as much as the jam: air is the second source of moisture, and every opened lid restarts the clock.

Professional Mise en Place

Front load the work so that assembly becomes one fast, continuous line.

Equipment and tools

Round cutters of 2 1/4 inch (5.5 cm) and 3/4 to 1 inch (2 to 2.5 cm)
Two flat baking trays and plenty of parchment
Rolling pin and two guides of 1/8 inch (3 mm)
Fine sieve for the jam and a second one kept only for sugar
Small heavy saucepan and a saucer kept in the freezer
Cooling rack large enough for all the tops

Prepared ahead

Dough refrigerated up to 3 days, or frozen up to 2 months
Cut discs frozen flat, baked from frozen with 2 extra minutes
Jam reduced, sieved and refrigerated in a sealed jar up to 2 weeks
Unfilled biscuits in an airtight tin up to 2 weeks

Service setup

Cold discs sorted into whole bases and windowed tops
Tops dusted on the rack before any jam is on the bench
Jam at about 105°F (40°C) with the teaspoon already in the bowl
A clean dry cloth for fingers
Finished biscuits rested in a single layer for 30 minutes

Chef Tips

Cut every disc before you bake anything and count them. You need an even number, half of them windowed. Any surplus of one shape simply goes into the tin as a plain biscuit.

Test the jam on one biscuit. Fill it, wait 10 minutes and look at the underside of the base. If a damp ring has appeared, the jam needs 2 more minutes in the pan. It costs one biscuit and saves the batch, and it is the only honest way to judge a jam whose pectin content you do not know.

Keep one sieve that has only ever touched confectioners sugar. Traces of flour, cocoa or jam show up as grey specks or sticky lumps in what should be an even white veil.

Bake the small cut outs on their own tray for 6 to 8 minutes. They are the baker's share, and a fair test of your oven's hot spots.

Common Mistakes

Dusting the sugar after assembly. The sugar lands on the jam, dissolves into its surface water and leaves a dull streaky film exactly where the biscuit should look brightest. Dust the tops while they are still empty.

Using jam straight from the jar. Breakfast jam carries too much free water. It runs out of the window and turns the base translucent within a couple of hours. Reduce it and test the set on a frozen saucer.

Twisting the cutter. A twist drags and seals the edge, and the biscuit bakes with a rippled rim. Press straight down and lift straight up, dipping the cutter in flour only if the dough sticks, which usually means it has warmed.

Assembling warm discs. Residual heat melts the sugar into a transparent glaze and thins the jam so it floods past the rim. Cool the discs completely first.

Rerolling the scraps twice. Each gathering develops more gluten and warms the butter, so the biscuits turn hard and shrink in the oven. Gather once, chill and accept the few scraps that remain.

Wine Pairing

A dry biscuit with a concentrated fruit centre needs a wine at least as sweet as the jam, or it will taste sour and thin beside it. Four bottles, each doing something different:

Moscato d'Asti DOCG: The lightest and most forgiving match. Its gentle prickle lifts the butter off the palate between bites, and at around 5 percent alcohol it never overwhelms a small biscuit. The peach and orange blossom aromas sit naturally beside apricot, the classic filling here.

Recioto di Soave DOCG: Made from dried Garganega in the Veneto, the home of the sour cherry version. It is sweet but built on real acidity, with candied citrus peel and a faintly bitter almond finish that answers the lemon zest in the dough. Its unctuous texture coats the palate against a dry, sandy crumb without turning heavy.

Colli Orientali del Friuli Picolit DOCG: The geographic pairing, from the Friulian hills where Austrian pastry took deepest root. Delicate rather than syrupy, with dried apricot, acacia honey and a floral lift that flatters the fruit in the window, and that restraint is the point. Serve slightly cool, around 54°F (12°C).

Vin Santo del Chianti Classico DOC: The choice for slow eating at the end of a long meal. Years in small sealed barrels give walnut, dried fig and a faintly oxidative note that contrasts with the bright fruit, while firm acidity cuts the butter. Choose a genuinely sweet bottling and serve it in a small glass at cool room temperature.

Storage & Reheating

Store assembled biscuits in an airtight tin at cool room temperature for up to 5 days, in a single layer or separated by parchment. Never refrigerate them: the refrigerator is humid, the sugar veil turns damp and transparent within hours and the pastry loses its snap. A metal tin resists humidity better than a plastic box.

Unfilled discs keep far better. Baked and undusted, they hold in a sealed tin for 2 weeks and freeze for 3 months in a rigid container with parchment between the layers. Thaw them uncovered for 30 minutes, then fill as usual. To refresh soft unfilled discs, give them 3 to 4 minutes at 300°F (150°C) and cool completely. Filled biscuits cannot be refreshed or frozen, because the jam weeps and the base turns to paste. Label the tin with the date.