1/2 c. shortening
1 c. brown sugar
1 c. flour
1/2 tsp. baking soda
1/2 tsp. baking powder
1/4 tsp. salt
1/4 tsp. cinnamon
1/4 tsp. ginger
1/4 tsp. nutmeg
2/3 c. pumpkin
2 eggs
1 tsp. vanilla
1/2 c. chopped walnuts

Heat oven to 350 degrees. Grease and flour 9x13 inch pan. Combine everything except nuts. Beat 2 minutes with mixer. Fold in nuts. Spread in pan. Bake 20-25 minutes. Cool and frost.

FROSTING:

4 tbsp. butter
3 c. powdered sugar
2 tbsp. grated orange peel
4 tbsp. orange juice

Mix well and frost. Place walnuts on top.