The phrase "sauce base" refers to the basic or main ingredient that forms the foundation of a sauce. It is the key component used to build various types of sauces by adding additional flavors and ingredients. Full definition
Unless you're selling pasta sauce based on your family's generations - old recipe, you'll probably need to update your service or product at some point. (rocketlawyer.com)
Aside from using it in any recipe that calls for plain tomato sauce, I use this tomato sauce base for a variety of dishes. (naturalfamilytoday.com)
I know I have used dry red in tomato sauce bases. (diethood.com)