Devon Spring lamb with ratatouille of Mediterranean vegetables and black olives

Ingredients

• 1 large onion finely diced
• 150ml good olive oil
• 4 cloves of garlic crushed
• 2 medium aubergines
• 3 red peppers
• 3 medium courgettes
• 3 large beef steak tomatoes
• 175ml glass of dry white wine
• 1 bay leaf
• 1 sprig of marjoram and one of thyme
• 1 Tablespoon tomato puree
• Salt & fresh ground black pepper to taste and a tiny touch of sugar should you need it
• Approximately 30 marinated pitted black olives