Did you have an Easy-Bake Oven when you were little? I had this one:
I'm quite sure it must have come from a garage sale or something because a) I'm not that old (this appears to be the original 1963 version) and b) it would be extremely rare for me to have any kind of "in" toy otherwise (no Baby Alive or Rub a Dub Dolly for me).
Oh my goodness, I found the Rub a Dub Dolly commercial on YouTube! Tugboat shower!
Anyway, back to the Easy-Bake...we got one for Pinkerbelle for Christmas a couple of years ago, and only then did I realize the ridiculous prices on the baking mixes (which is probably why I don't remember using my Easy-Bake Oven very often).
Not to be deterred, I got online and found instructions for using regular cake mix. For one of the little round cake pans:
3 Tbsp cake mix, any flavor
1 Tbsp milk
1. Spray pan with baking spray
2. Combine cake mix and milk until smooth; pour into pan.
3. Bake in preheated Easy-Bake Oven for 15 minutes.
We've been using the same box of cake mix ever since we got the oven (I know, I know, but I do reseal the bag with a clip, and besides I figure it's so preserved it's like a Twinkie and never spoils). I printed out those instructions and taped them to the box.
Now, whenever the stars align and Pinkerbelle's desire to use her oven coincides with my willingness to put up with a little mess, we have the mix ready to go in the pantry.