A few years ago Sam was really into the food network. For a while I thought she was going to be a chef. That Christmas I bought her Rachel Ray's cookbook for kids. I think she has a few out now. I'm sure any of them would be good. Here's a link to a few of her kid friendly recipes.
Little IBD loves to cook. Scrambled eggs are her specialty. I totally agree with Mermy. Buy a couple dozen and have funn!!!
Oh what about making your own pizza?? buy the dough and let him put on his toppins. Make the pizza in a shape he likes, football, mickey mouse, ufo, you name it...