INGREDIENTS
1
package (2 1/4 tsp). yeast
1/2 cup
warm water
1/3 cup
butter
1/2 cup
milk
1/2 cup
sugar
1/2 cup
mashed potatoes
1
beaten egg
1/2 tsp
salt
3 1/2
to 4 cups flour
2 cups
powdered sugar
2 tbsp
butter, softened
2 tbsp
chocolate powder
3 tbsp
milk
1/4 tsp
vanilla