Pumpkin Pie Squares

1 cup sifted flour
1/2 cup quick oats
1/2 cup brown sugar, firmly packed
1/2 cup butter
1 can pumpkin (2 cups)
12 1/2 ounce can evaporated milk
2 eggs
3/4 cup sugar
1/2 teaspoon salt
1 teaspoon cinnamon
1/2 teaspoon ground ginger
1/4 teaspoon ground cloves
1/2 cup pecans
1/2 cup brown sugar, firmly packed
2 tablespoons butter

Preheat oven to 350° F. Combine flour, rolled oats and ½ cup brown sugar with ½ cup butter. Put in mixing bowl and blend with electric mixer at low speed until crumbly. Press into the bottom of an ungreased 9 x 13-inch pan. Bake 15 to 20 minutes. Combine pumpkin, evaporated milk, eggs, sugar, salt and spices in mixing bowl, mix well. Pour over baked bottom and bake 20 minutes more. Combine pecans, brown sugar and 2 tablespoons butter. Sprinkle over pumpkin mixture. Put back in oven for 15 to 20 minutes or until set. Cool and cut into squares.