Tomato Sauce - The Student Chef

Ingredients

• 1 quart deli canned whole tomatoes
• 1 tablespoon extra-virgin olive oil
• 1 tablespoon butter
• 2 cloves garlic minced fine
• 1 teaspoon dried oregano
• 1/2 teaspoon red pepper flakes
• a/n salt coarse, to taste
• a/n pepper
• 3 sprigs basil
• 1/2 medium onions peeled
• 1 teaspoon sugar