Chorizo & mozzarella gnocchi bake

Name: Chorizo & mozzarella gnocchi bake
Prep time: 10 min
Cook time: 25 min
Total time: 35 min
Cuisine: European, Italian, Mediterranean
Ingredients: 1 tbsp olive oil; 1 onion , finely chopped; 2 garlic cloves , crushed; 120g chorizo , diced; 2 x 400g cans chopped tomatoes; 1 tsp caster sugar; 600g fresh gnocchi; 125g mozzarella ball, cut into chunks; small bunch of basil , torn; green salad , to serve