For testing purposes I used a 15.25 ounce box of u003cstrongu003eu003ca href=u0022https://amzn.to/2JLq0vzu0022 target=u0022_blanku0022 rel=u0022noreferrer noopener sponsored nofollowu0022u003eBetty Crocker SuperMoist Yellow Cake Mixu003c/au003eu003c/strongu003e. However, you can use any brand of boxed yellow cake mix as long as the size of the box is in the 12 to 16 ounce size range.