MAKES 8. HANDS-ON TIME 25 MIN
Cook 125g fresh or frozen peas in boiling water for 4 minutes until just tender. Drain, run under cold water to cool, then drain again. Slice a small baguette into 8, put on a baking sheet, drizzle with a little olive oil and toss to coat. Grill for 2 minutes on each side, then set aside to cool.
In a small bowl mash the cooled peas with the back of a fork, then mix in 50g white crabmeat, ½ tsp chopped fresh tarragon, the grated zest and juice of ½ lemon and some black pepper. Add salt, plus more pepper and lemon juice to taste.
In another bowl mix 50g brown crabmeat with 4-5 tbsp crème fraîche. Spread over each toast, then top with…