Sweet and Sour Tomato Chutney, a very popular Indian dip and condiment recipe. Chef Annuradha Toshniwal teaches you how to cook this simple and easy to cook … Question by Meh K: What does tomatoes (acid) in cooking beans do? does it shorten cooking time or lengthen it? why? and what about bases (baking soda)? why? Best answer: Answer by audioworldtomatoes will add cooking time..it depends what type of tomatoes you use for sweet or acid Add your own answer in the comments! Find More Sweet Tomato Articles