Rhubarb Almond Bostocks Remix


By Emma
Certified Culinary Professional
Ingredients
Rhubarb compote
- 370 g (3 cups) rhubarb red, fresh or thawed, chopped into 1.5 cm chunks
- 150 g (3/4 cup) granulated sugar
- 10 ml (2 tsp) fresh lemon juice
Syrup
- 50 ml (3 tbsp) water
- 45 ml (3 tbsp) maple syrup
Assembly
- 8 slices brioche about 2.5 cm (1 in) thick
- 180 g (6 oz) marzipan, chopped into small pieces
- 2 eggs
- 55 g (1/3 cup) chopped unsalted pistachios
About the ingredients
Method
Rhubarb compote
- Combine rhubarb chunks, sugar, and lemon juice in a saucepan. Bring to a gentle boil, then reduce to a simmer over medium-low. Let it bubble and soften for about 12-15 minutes, stirring occasionally to prevent sticking or scorching. The rhubarb turns translucent, liquids thicken slightly, syrup starts to cling. Don't rush here. Cool off the heat once compote has thickened but not completely dried out.
Syrup
- Whisk water and maple syrup in a small bowl until fully blended. Set aside to brush later.
Assembly
- Position oven rack mid-level. Preheat to 185 °C (365 °F). Line your baking tray with parchment or silicone mat—no shortcuts or you’ll scorch the bottoms.
- Lay brioche slices out. Toast for roughly 6 minutes until a light golden crust forms but the center remains soft. Keep an eye; brioche browns fast.
- Meanwhile, toss marzipan chunks into your food processor. Blitz until creamy but still a tad textured, think thick paste. Add eggs one by one, pulsing after each until silky and homogenous. Scrape bowl edges with a spatula to incorporate all bits—no lumps here.
- Brush the maple syrup mixture generously on brioche tops—not just a dab. This step is the game changer for moisture balance and shiny finish.
- Dollop rhubarb compote evenly on each slice. Spread about 2 tbsp marzipan cream on top. Remember: too thick a layer risks sogginess; too thin, dry and flavorless. Pistachios come last, sprinkle them evenly but with flair—color contrast and nuttiness elevate everything.
- Bake in preheated oven 11-14 minutes. Look for golden almond cream edges, pistachios toasted but not burned, brioche bottom firm and not squishy, rhubarb juices bubbling slightly around edges.
- Let cool slightly on rack (air circulation crucial), gives you the chance to smell the almond and citrus mingling. Serve warm or at room temp.
- Leftovers? Toast lightly before serving again. If compote leaks, skimp on syrup next time or use slightly firmer brioche slice.
Cooking tips
Chef's notes
- 💡 Start rhubarb compote gentle simmer medium-low only. Hard boil ruins texture, becomes mushy or bitter. Watch chunk translucence and small bubbles popping steadily. Stir often, scrape sides to keep from burning sugar bits. Timing flexible, it thickens but stays juicy. Cool off heat at right moment, not totally dry or watery or you'll lose that balance.
- 💡 Toast brioche just enough for a light golden crust. Too short — soggy soggier bread; too long — dry, hard to soak syrup later. Keep eyes on color changes, small bubbles at edges for moisture clues. Use parchment or silicone mat, else bottoms scorch quickly. Thickness matters; slice about 2.5 cm thick gives resilient base, thinner slices collapse.
- 💡 Marzipan cream pulse only until just creamy with bits still visible—overblend causes air bubbles and cracks after bake. Add eggs slowly, one at a time to get silky texture; spatula scrape edges often. No food processor? Chop finely, whisk vigorously but slower, lumps risk. Room temp eggs blend better. Avoid fillers in marzipan brands, alters texture badly.
- 💡 Maple syrup-water mix for brushing—water key for correct viscosity. Don’t omit or syrup turns sticky and ruins crumb. Brush tops generously, not dabbed, locks moisture, helps compote sit well. Avoid honey here; gaminess overpowers nutty almond notes. Timing to brush immediately after brioche toast seals crust moisture but keeps softness.
- 💡 Pistachios last, sprinkle just before baking. Toasting pistachios too long causes bitterness and color loss. Watch edges of marzipan cream for light golden color, bubbles forming without burning. Let baked bostocks cool on rack; air circulation stops sogginess. Serving warm unlocks aroma of almond and citrus; leftovers toast lightly or adjust syrup next time if compote leaks run.
Common questions
How to know when rhubarb compote is done?
Look for bright pink translucent chunks. Small bubbles steady, not furious boil. Thickens slightly, syrup clings. No dry flakes or watery liquid left. Stir to check texture and smell fruity, sharp citrus from lemon juice shows balance.
Substitute if no marzipan?
Almond paste works but may be grainier, heavy on fillers mess texture. Chop marzipan fine if no processor, whisk eggs well. Other nuts? Hazelnuts could work but different flavor. Adjust sugar if using sweeter pastes to keep balance. Blend carefully to avoid cracks in bake.
Why soggy brioche bottoms happen?
Too thick syrup or thick compote layer weigh bread down. Toast brioche crust first to add resistance. Spread marzipan cream thin, avoid puddling. Use parchment or silicone mats for even heat. Cooling on rack crucial or moisture condenses under basket causes sogginess.
How to store leftovers?
Wrapped airtight in fridge few days is fine. Re-toast slices to regain crunch. Avoid microwaving—makes crumb go dense and rubbery. Freeze unbaked brioche separately if want make-ahead, brush syrup and assemble day of bake for freshness. Compote can keep separately chilled longer without issues.