Courgette, pea and feta fritters

Ingredients

• 250 g frozen peas
• 1/4 cup mint, chopped
• 1 shallot
• 2 courgettes, grated, some juice squeezed out
• 2 eggs
• 2 tbsp plain yoghurt
• 1 tbsp milk
• 3 tbsp flour
• 1 tsp baking powder
• 1/2 tsp sea salt, plus a decent pinch black pepper
• zest of 1 lemon plus 1 tbsp lemon juice
• olive oil for shallow-frying
• Feta sauce
• 75 g feta
• 1/4 cup quality olive oil
• juice of 1 lemon
• small garlic clove (optional)