Potato Candy:
2 medium potatoes
1 stick (1/2 cup) butter, chopped
2 16 ounce boxes powdered sugar
1 teaspoon vanilla extract (or almond, actually, if you really wanted faux-marzipan)
2-3 tablespoons peanut butter
1-2 tablespoons cocoa powder
Other Mammo-Graham materials:
6 regular...