Pizza sauce is a flavorful tomato-based sauce used primarily as a topping for pizza. It typically consists of crushed or pureed tomatoes, along with various seasonings such as garlic, oregano, basil, and salt. The sauce can be cooked or uncooked, depending on the desired flavor and texture. Many pizzerias have their own unique recipes for pizza sauce, which can vary in sweetness, acidity, and spice level. Some may add ingredients like olive oil, sugar, or red pepper flakes to enhance the taste. Overall, pizza sauce is a key component that contributes to the overall flavor profile of a delicious pizza.