Red onion courgette and pepper pizza

Name: Red onion courgette and pepper pizza
Prep time: 25 min
Cook time: 30 min
Total time: 55 min
Cuisine: European, Italian, Mediterranean
Ingredients: 2 teaspoons olive oil; 1 red onion sliced; 2 peppers (red and yellow) seeded and sliced; 2 small courgettes sliced; 1 clove garlic crushed; 225g (8oz) plain wholemeal flour; 2 teaspoons baking powder; 55g (2oz) sunflower spread; About 100ml (3 1/2fl oz) skimmed milk; 4 tablespoons passata; 1 tablespoon tomato puree; 1 1/2 teaspoons dried herbes de Provence; Freshly ground black pepper to taste; 100g (3 1/2oz) half-fat mature Cheddar-style cheese finely grated