My Favorite Chocolate Frosting Glaze

My old Mennonite cookbook is on it's last legs, so I'm posting my favorite recipes before it falls apart completely. I love this chocolate frosting, it's meant for sheet cakes or brownies. Frost the cake right out of the oven - don't wait for the cake to cool!

• Ready In: 10 mins
• Serves: 12
• Yields: 1 9x12 cake topping

Ingredients

• 1⁄2 cup butter
• 1⁄4 cup  cocoa
• 6  tablespoons buttermilk
• 2 1⁄2 cups powdered sugar
• 1  teaspoon vanilla
• 1  pinch salt, 1 tiny pinch
• 3⁄4 cup  chopped walnuts (optional)

Directions

1. Put butter, cocoa and buttermilk in bowl and heat in microwave until boiling, stirring occasionally.
2. Pour hot mixture into mixing bowl and add powdered sugar, vanilla and salt. Beat until smooth.
3. Pour over hot cake right after removing from oven. If using nuts, sprinkle over icing immediately.