Beyond the ingredient and substitution information I've already provided, I'm afraid you can't make other substitutions using the ingredients you have and have this recipe turn out. (glutenfreeonashoestring.com)
What other substitutions work (sweet potato, applesauce)? (thebigmansworld.com)
I love black beans, if I wanted to add them in, is there anything other substitutions i should make? (ambitiouskitchen.com)