This recipe for Old El Paso Enchilada Sauce, by , is from Mom's Favorite Recipes 2017, one of the cookbooks created at FamilyCookbookProject.com. We help families or individuals create heirloom cookbook treasures.
Cook onion in olive oil til tender. Add remaining ingredients. Simmer til desired thickness (15 minutes?). If needs to be thickened, mix some cornstarch with water and gradually add to boiling mixture til desired thickness is achieved.