Hot Fudge Sauce

We whipped up this hot fudge for a party and everyone seemed to come back for seconds. It is quick and easy and delicious!

1 cup butter
1/3 cup unsweetened cocoa powder
3 cups white sugar
1 (12oz) can evaporated milk
1 teaspoon vanilla extract

Combine butter, cocoa, sugar, and evaporated milk in a saucepan over medium heat. Bring to a boil and boil for 7 minutes. Remove from heat; stir in vanilla. Carefully pour hot mixture into a blender and blend for 2 to 4 minutes. Serve immediately. Store in refrigerator.