【How-to】How to make peanut butter cookies without eggs

What Can I Substitute For An Egg In Peanut Butter Cookies? In addition to substituting an egg in cookies, you can substitute 1 cup of silken tofu, 1 cup of pureed fruit, such as banana or applesauce, 1 tablespoon of cornstarch, 12 tablespoons of vegetable shortening, and 12 teaspoons of sugar.