The primary ingredient in marinara sauce is tomatoes. Typically, fresh or canned tomatoes serve as the base, providing a rich flavor and vibrant color. Often, the sauce is also enhanced with garlic, onions, olive oil, and herbs such as basil or oregano. It is a fundamental component in Italian cuisine, commonly used in pasta dishes, as a pizza sauce, or as a dip for various appetizers. The simplicity of marinara sauce allows the natural taste of tomatoes to shine, making it a beloved staple in many households.