Chocolate Cake

Cake
18-1/4 ounces chocolate cake mix
3-3/8 ounces chocolate instant pudding and pie filling mix
1 cup milk
1/2 cup sour cream
4 large eggs
2 cups Semi-Sweet Chocolate
1 cup chopped walnuts
Powdered sugar
Glaze
2 ounces Unsweetened Chocolate Baking Bars
3 tablespoons butter or margarine
1-1/2 cups sifted powdered sugar
2 tablespoons water
1 teaspoon vanilla extract
Powdered sugar (optional)

For Cake
1. PREHEAT oven to 350°F. Grease and flour 12-cup bundt pan or other round tube pan.
2. COMBINE cake mix, pudding mix, milk, sour cream and eggs in large mixer bowl. Beat on low speed just until blended. Beat on high speed for 2 minutes. Stir in morsels and nuts. Pour into prepared bundt pan or other tube pan.
3. BAKE for 55 to 65 minutes or until wooden pick inserted in cake comes out clean.
4. COOL in pan for 20 minutes. Invert onto wire rack to cool completely.
For Glaze
5. MELT baking bar and butter in small, heavy duty saucepan over low heat, stirring until smooth. Remove from heat. Stir in powdered sugar alternately with water until of desired consistency. Stir in vanilla extract.
6. POUR glaze over cake or sprinkle with powdered sugar.