In a mixer bowl, beat eggs, sugar and vegetable oil.
Add pumpkin; mix well. Mix in remaining ingredients.
Bake on cookie sheet 350° for 20 minutes.

Frosting:
3 oz. cream cheese (softened)
3/4 stick margarine
1-3/4 cups powdered sugar
1 tsp. vanilla extract
1 cup chopped nuts (optional)

While pumpkin squares are baking, in medium bowl,
combine cream cheese and margarine; mix well.
Add powdered sugar and vanilla, beat until smooth.
After pumpkin squares have cooled slightly, spread with frosting.
Top with chopped nuts if desired.