2 oz Cooking chocolate; melted
1/2 c  Melted butter or margarine
1 c  Sour cream or yoghurt
1/2 c  Brown sugar
1    Egg
1 ts Vanilla
1 1/2 c  Flour
1 ts Baking powder
1/2 c  Walnuts
3/4 c  Chopped marshmallows

Preheat oven to 400F & prepare muffin pans. Put the first six ingredients
into a bowl & mix well. Add the remaining ing. except marshmallows, blend
until just mixed, then fold in the marshmallows. Put into pans & bake for
15-20 mins. Makes 15 muffins.