I just stumbled upon this site a week or so ago called
Pimp That Snack. It rocks my world! It has homemade recipes for some of my favorite 7-Eleven delectables...with king-sized portions! :D
Twix
Snowballs
Hostess Cupcakes
Chocolate Oranges
NutRageous
They also provide pictures to show you the difference in size between the original marketed products and the humongous homemade ones. Take this, for example:
And there's tons more recipes where that came from! Check it out!