Easy pasta sauce 50p per serving By Guest Contributor December 29, 2009 Pasta Preparation Time Cook Time Servings0Ingredients3 cloves garlic1 pack passata (carton)2 tablespoons tomato paste1 stock cube2 onions2 teaspoons sugar.Instructions Step 1: 1. Fry the onion with the crumbled stock cube in some oil. Add the sugar and fry until it is translucent. Add the tomato paste. Step 2: 2. Add in the garlic and fry for 2-3 minutes. Step 3: 3. Add the passata. Step 4: 4. Simmer for 20 minutes.