Name: Valentine's Day Dessert
Prep time: 3 h
Cook time: 30 min
Total time: 15 h
Yield: 10
Ingredients: 250 g unsalted butter, softened; 160 g bittersweet chocolate (64%); 200 g eggs; 260 g sugar; 120 g all-purpose flour, sifted; 200 g pecans, chopped; 300 g hazelnuts; 250 g sugar; 1.5 g fine salt; 5 g vanilla paste; 50 g milk chocolate, melted; 60 g feuilletine or crushed wafers; 160 g hazelnut praline paste; 15 g unsalted butter, melted; 5 g gelatin (200 bloom); 350 g whole milk; 90 g hazelnuts, toasted; 160 g white chocolate; 225 g heavy cream; 225 g heavy cream, chilled; 140 g hazelnut praline paste; 120 g lemon juice; 50 g water; 7 g agar-agar; 85 g sugar; 5 g olive oil; 120 g poached lemons, chopped; 150 g water; 300 g sugar; 300 g corn syrup or glucose

Valentine's Day Dessert

This heart-shaped entremet layers a pecan brownie base with crunchy hazelnut praline, a bright lemon marmalade insert, and a white chocolate hazelnut mousse. A glossy dark chocolate mirror glaze turns it into a showpiece for Valentine's Day. Plan on overnight chilling so the mousse sets and the glaze stays smooth.

Flavor Profile

The brownie and praline bring deep chocolate and toasted nut notes, while the lemon insert cuts through with citrus lift. The white chocolate mousse keeps the overall flavor creamy and balanced. The mirror glaze adds a bittersweet finish.

Ingredient Highlights

Hazelnut praline adds roasted depth in both the crunchy layer and the mousse. Agar-agar gives the lemon insert a clean, sliceable set. Mirror glaze delivers a flawless, glassy finish without added decoration.

How It Comes Together

Bake and freeze the brownie. Blend the mousse base, chill, then whip and build the cake upside down with the lemon insert and crunchy layer. Freeze solid, glaze, and thaw in the refrigerator before serving.

Chef's Tips

Keep the cake fully frozen for glazing. Use an immersion blender with the blade submerged to avoid air bubbles in the glaze. Wipe the knife clean between slices for sharp edges.

Easy Swaps

Use almond praline if hazelnuts are not available. Swap pecans for walnuts in the brownie. If you cannot find agar-agar, use gelatin and chill until set.

Make-Ahead and Storage

This dessert can be assembled and frozen up to 3 days before glazing. Once glazed, keep refrigerated and serve within 48 hours. Do not refreeze after glazing.

Budget Tips

Use store-bought praline or a quality hazelnut spread to save time. Save the mirror glaze for another cake by freezing leftovers.

Low-Cholesterol Notes

This dessert is rich in butter and cream. Serve smaller portions and add fresh berries to balance richness.