To make pumpkin squares, press a pie crust into a square or rectangular dish, and pour in pumpkin pie filling. Bake the dessert for 35 to 45 minutes, and cut into squares before serving.
Once classic recipe for pumpkin squares features a buttery crust made with rolled oats. In a mixing bowl, combine 1 cup of flour, 1/2 cup of rolled oats, 1/2 cup of butter and 1/2 cup of brown sugar, and beat on low until the mixture is coarse and crumbles. Press the crust into a 13-inch by 9-inch rectangular cake pan, and bake it for 15 minutes at 350 degrees Fahrenheit.
To make the filling, mix together 1 can of evaporated milk, 1 can of pumpkin, 3/4 cup of sugar and 2 eggs. For flavor, add 1 teaspoon of cinnamon, 1/2 teaspoon of ginger, 1/4 teaspoon of cloves and 1/2 teaspoon of salt. On medium speed, beat the mixture until smooth. Pour the filling onto the crust, and bake it for 35 to 45 minutes.
If desired, after 20 minutes, remove the pie, and add a topping made from 1/2 cup of pecans tossed with 1/2 cup of brown sugar, and then return it to the oven for an additional 15 to 25 minutes.
FoodNetwork.com and BettyCrocker.com also offer recipes for pumpkin bars, including a recipe from celebrity chef Paula Deen and one that features cream cheese frosting.