If you take your u0022kosher for Passoveru0022 to more serious levels than I, you will want to use kosher versions of all of these products. If you are of the mindset that chocolate doesn't rise so it's kosher for Passover, then just go for the best ingredients you can find. Also, keep in mind that the cupcakes have butter and should not be served with a dairy meal unless you use an alternative butter like Country Crock's plant butter.