I'm someone that can't have much fat at all in their diet. I like eggs so I cook up some egg yolk every once in a while... But every time I do, I am left with 3-6 egg yolks and have no idea what to do with them, so I end up just throwing them away. :( I am still basically new to baking, so I have no idea how to make cookies with lots of yolk, or how to replace whole egg with egg yolk in recipes. What are some kinds of recipes/substitutions that I can use to not waste these yolks?