4 cups cooked penne pasta
1 onion, chopped
2 cups pasta sauce
1 clove crushed garlic
1 teaspoon chili flakes
1 cup grated cheese
1. Preheat oven to 180 degrees.
2. Place cooked pasta in an ovenproof dish and stir pasta sauce, onion and garlic through it until pasta is covered in the mixture.
3. Top with grated cheese and sprinkle chili flakes over the top.
4. Bake for 15 minutes, or until the cheese is golden brown.
5. Allow to sit for 5 minutes, then serve hot with a salad.