Meatballs in Mediterranean sauce

Ingredients

• 1 onion
• 1 courgette
• 1 yellow sweet pepper
• 2 cloves of garlic
• 4 sprigs of parsley
• 2 sprigs of fresh oregano
• 3 sprigs of fresh thyme
• 1 cayenne pepper
• 3 tbsp olive oil
• 1 tin of cubed tomatoes ( 400 g)
• 3 unsweetened rusks
• 300 g half-pork, half beef mince
• 1 egg
• 1 tbsp coarse mustard
• 1 lime
• salt and pepper