Mom'S Pumpkin Cake " Brownies " - cooking recipe

Ingredients

Cake/Brownies
1 cups cooked and pumpkin puree or (15 ounce) can pumpkin
1 cup vegetable oil
4 eggs
1 3/4 cups sugar
2 cups flour
1 teaspoon baking soda
1 teaspoon baking powder
1 teaspoon cinnamon
1/2 teaspoon salt
1/2 cup chopped walnuts (optional)
Frosting
4 ounces softened cream cheese
2 tablespoons softened butter
1 teaspoon vanilla extract
2 cups confectioners' sugar
milk (optional)

Preparation

Preheat oven to 350 degrees F; grease and flour a 7 1/2 by 11 (not a 9x13 or the pieces will be too thin) inch baking dish.
In a mixer, beat together the eggs, oil, pumpkin, and sugar.
Add remaining cake ingredients and mix until thoroughly incorporated.
Pour into the greased and floured dish, and bake for 30 minutes or until center springs back when touched; let cool.
With an electric mixer, cream together the cream cheese, butter, and vanilla until smooth.
Gradually add the confectioners' sugar and beat until smooth.
Add milk to desired texture if too thick, or additional sugar if too thin.
When cake is cool, spread the frosting over the top.