Meaty Ratatouille - Weighless Wonders

Ingredients

• 1 lb. (500g) lean ground beef
• 2 red onions, chopped into wedges
• 4 garlic cloves, sliced
• 1 Aubergine, chopped
• 1 zucchini, chopped
• 3 bell peppers, chopped
• 5 tomatoes, chopped
• bunch of basil, stalk and leaves separated, chopped
• 1 tbsp. olive oil
• dried thyme, to taste
• 14 oz. (400g) tin chopped tomatoes
• 2 tbsp. tomato paste
• 1 tbsp. balsamic vinegar
• ½ lemon, zest