Zucchini Cake with Cream Cheese Frosting

Heat oven to 350°F. Lightly grease 9x13 cake pan.

Beat sugar, eggs, oil, vanilla, baking powder, baking soda, salt, & xanthum gum in large bowl with mixer until well blended. With mixer on low speed, gradually add flour until well blended. Stir in zucchini. Spread evenly in pan.

Bake for 45 minutes or until toothpick inserted into center comes out clean. Cool completely in pan on wire rack.

For frosting, beat margarine, cream cheese, & vanilla until smooth. With mixer on low, gradually add powdered sugar until well blended. Spread on cooled cake. Sprinkle with walnuts, if desired.