Smoked Mackerel and Pickled Onion Tart

A delicate tart featuring smoked mackerel and sharp pickled onions atop a crisp pastry base, perfect for a light supper.

Cuisine: Mediterranean

Category: One Pot

Prep: 40 minutes. Cook: 27 minutes.

Serves 4.

Ingredients

• 225g pastry dough
• 200g mackerel fillets
• 1 small red onion
• 60ml white wine vinegar
• 10g granulated sugar
• 2 tbsp fresh dill
• 120ml heavy cream
• 1 tsp lemon zest
• 5g salt
• 2g black pepper

Instructions

1. Step 1: Preheat oven to 180°C. Roll out pastry dough into a 28cm circle, transfer to a baking sheet, and prick with a fork. Bake for 12 minutes until golden, then let cool.
2. Step 2: Thinly slice red onion and marinate in white wine vinegar, sugar, and 2g salt for 20 minutes until translucent. Drain and pat dry.
3. Step 3: Flake smoked mackerel into small pieces, discarding skin and bones. Combine with 120ml heavy cream, lemon zest, 1g salt, and 2g black pepper, mixing until smooth.
4. Step 4: Spread mackerel mixture evenly over cooled pastry base. Top with drained pickled onions and sprinkle with fresh dill. Bake for 15 minutes until edges are golden.