Cocoa Fudge Frosting

Yield:	1 Recipe
Categories:	Cakes, Frostings

1/2	c	Butter or margarine
1/2	c	Hershey's Cocoa; OR... Hershey's European Style Cocoa
3 2/3	c	Powdered sugar
1/3	c	Milk
1	ts	Vanilla extract