I used 1 can of red kidney beans and 1 can of black beans just to mix things up a little. (ambitiouskitchen.com)
I added a can of red kidney beans and doubled all the other ingredients. (myrecipes.com)
I used to eat peanut butter and jelly sandwiches about once a week, I love Mexican food with black beans, and chili with red kidney beans is one of my favorite dishes. (confessionsofachocoholic.com)