In a large skillet, heat 3 tbsp. olive oil over medium heat. Add diced onion to the pan and saute until the onion turns translucent. Add garlic and saute for 2 more minutes or until fragrant, stirring occasionally.
2 Tablespoon Olives Oil, 1/4 cup Diced Onion, 2 cloves Diced Garlic
Add crushed tomatoes, sugar, basil, salt, pepper, and crushed red pepper to the skillet.
1 28 oz Crushed Tomatoes, 1 teaspoon Sugar, 1 Tablespoon Basil, 1/2 teaspoon Salt, 1/4 teaspoon Pepper, 1/4 teaspoon Crushed Red Pepper
Continue cooking the sauce, until the sauce reaches a low simmer. Reduce heat to medium to maintain a steady simmer for 25 - 30 minutes.
Add water to get the consistency you prefer.
1/4 cup Water