Smoked Fish Tart with Orange Gremolata | Focus on Flavour

Ingredients

• 150g wholewheat flour (or half and half wholewheat and plain white)
• 75g unsalted butter
• pinch salt
• water to mix
• 150g smoked tuna (or swordfish, marlin, salmon or trout)
• 3 eggs
• 200ml soya milk (or dairy milk)
• 1 small red onion, finely sliced
• 1 tbsp chopped parsley
• salt and black pepper, to taste
• 1 tbsp finely chopped parsley
• 1 tsp capers, drained and chopped
• zest of 1 orange
• 1 clove garlic, crushed
• 2 tbsp virgin olive oil