Sausage & tomato pizza - Good Food Middle East

Ingredients

• 1 tbsp olive oil
• 1 large red onion, peeled and finely sliced
• 2 garlic cloves
• 5 tbsp passata
• pinch sugar
• 1 large (25cm) pizza base
• 2 sausages, cut into thin slices
• 50g grated cheese (any kind)
• handful basil, optional