1. Heat oven to 350°F. Grease and flour 13×9×2-inch baking pan.
2. Stir together flour, sugar, cocoa, baking soda, cinnamon, nutmeg, allspice and salt in large bowl. Stir in applesauce, milk, butter and vanilla; beat until well blended. Add nuts, if desired, and raisins. Pour batter into prepared pan.
3. Bake 40 to 45 minutes or until wooden pick inserted in center comes out clean. Cool completely in pan on wire rack. Drizzle with Vanilla Glaze.
Vanilla Glaze
Combine 1-1/4 cups powdered sugar, 2 tablespoons softened butter or margarine, 1 to 2 tablespoons hot water or milk and 1/2 teaspoon vanilla extract in medium bowl; beat with whisk until smooth and of desired consistency. Makes about 3/4 cup glaze.