How to make Tomato Sauce, Basic Tomato Sauce recipe

Ingredients

• 2 cans diced tomatoes (14.5 oz. or 411 gr each)
• 3 tablespoons olive oil
• 1 yellow onion
• 4 cloves garlic
• 3 fresh basil leaves
• 1/2 carrot (optional)
• 1 teaspoon sugar
• 1/2 teaspoon salt
• black pepper
• 1 seeded red pepper (optional) for a spicier sauce