Sift together:

3 cups flour
1 1/2 teaspoons baking soda
1 teaspoon baking powder
1 teaspoon salt
1/8 teaspoon nutmeg
1/8 teaspoon cloves

Cream together:

3/4 cup butter
1 cup brown sugar
1/2 cup sugar
1 teaspoon vanilla
2 eggs

Combine both mixtures. Gradually add:

2 cups peeled and grated zucchini
1/2 cup chopped walnuts
1/2 cup butterscotch chips or raisins

Pour into greased and floured 10 x 15 inch pan. Bake at 375°F for 20-25 minutes. Frost with caramel frosting.

CARAMEL FROSTING:

1/2 c. butter
1 c. brown sugar
1/4 c. milk
1 to 1 1/2 c. powdered sugar

Melt butter. Add brown sugar. Bring to a boil for 2 minutes. Add milk. Bring to a second boil. Remove from heat. Add enough powdered sugar to spread.