1 cup (6 ounces) NESTLÉ TOLL HOUSE Semi-Sweet Chocolate Morsels
3 tablespoons butter
1/4 cup milk
1 1/2 cups powdered sugar
Whisk together first 3 ingredients in a heavy saucepan over low heat, and cook, whisking constantly, 5 minutes or until butter and chocolate melt. Remove pan from heat; whisk in powdered sugar until smooth and of spreading consistency.