Prep the strawberries: place the sliced strawberries in a bowl, sprinkle with the 2 tbsp granulated sugar and 1 tsp lemon juice, stir gently and let sit for 10–15 minutes. Why: macerating draws out the strawberries’ juices and concentrates their sweetness while the lemon brightens the flavor; the resulting syrup will flavor the layers and keep the fruit glossy.

Break the chocolate cake trimmings into roughly 1-inch pieces (or pulse briefly in a food processor for uniform crumbs). Why: bite-sized pieces hold shape in the trifle but still absorb pastry cream so each spoonful has both texture and cohesion.

Make the whipped cream: chill a metal bowl and whisk (or beaters) for 10 minutes, pour in 240 ml heavy cream, 1 tbsp powdered sugar and 1 tsp vanilla extract, then whip to soft peaks. Why: chilled equipment helps cream aerate faster and more stably; whipping to soft peaks gives a light finish that layers well with pastry cream without overpowering it.

Toast the glazed pecans: heat 1 tbsp unsalted butter in a small skillet over medium heat, add the coarsely chopped glazed pecans and toast for 2–3 minutes, stirring constantly until they smell toasty and the glaze softens slightly. Remove from heat and let cool. Why: quick toasting warms the sugar glaze and amplifies the nut oils and aroma — it also adds a fresh toasted note that contrasts the stored cake’s flavor.

Make a quick dark chocolate drizzle (simple ganache): place 50 g chopped dark chocolate in a heatproof bowl; warm 2 tbsp (30 ml) of heavy cream or microwave 2 tbsp cream until steaming and pour over the chocolate; add 1 tbsp butter and whisk until smooth. Why: a glossy ganache will add deep chocolate intensity and a silky mouthfeel that ties the dessert together; mixing warm cream with chocolate melts it evenly for a smooth emulsion.

Optional flavor lift: if using, toss the cake pieces very lightly with 1 tbsp of fruit liqueur or orange liqueur. Why: a small splash adds aromatic lift and makes the cake feel freshly assembled without making it soggy.

Assemble in individual glasses or a single trifle bowl: begin with a layer of chocolate cake pieces (about 1/3 cup per serving), spoon over 2–3 tablespoons of pastry cream, add a spoonful of macerated strawberries with a little juice, then a sprinkle of toasted glazed pecan crunch, and a light dollop of whipped cream. Repeat so you have two levels (cake → cream → berries → pecan → cream). Finish with a light drizzle of warm ganache and a few reserved whole sliced strawberries and pecan pieces for garnish. Why: layering alternates textures and flavors so every bite has cake, cream, fruit and crunch; finishing with ganache and fresh fruit makes the presentation restaurant-ready.

Chill assembled trifles for at least 20–30 minutes before serving to allow the flavors to marry and the pastry cream to firm slightly. Why: a short chill keeps the dessert stable for clean spooning and lets the cake absorb just enough moisture to become tender but not soggy.

Serve: remove from fridge, add a final tiny pinch of flaky sea salt over the ganache and serve chilled. Why: the faint salt on top will brighten chocolate and deepen the overall flavor profile.