Cappellini with Tomatoes and Garlic Recipe

Ingredients

• 1/2 lb. cappellini or another thin pasta
• 4-5 tablespoons olive oil
• 3 cloves garlic, chopped
• 1/2 of a small onion, finely chopped
• 1/2 can of diced tomatoes with juice (or 1 fresh chopped tomato)
• 1/2 cup shredded Parmesan cheese
• Salt and pepper