Who knew? Black beans make a great gluten-free cake. Am I the only one who thinks that’s crazy? Recently, I looked up a recipe for one and we made one for the first time. (And by we, I mean she, our 13-year-old resident baker.) And it was really good. Then, someone suggested adding chocolate chips, and it was uh-mazing. (Thanks, Jess!) Because, don’t chocolate chips make everything better? It’s been our go-to chocolate cake recipe lately, because it’s a. gluten-free b. easy c. flourless d. and…