- 1 cup all-purpose flour
- 1 cup packed dark brown sugar
- 2/3 cup solid-pack pumpkin puree
- 1/2 cup butter, softened
- 2 eggs
- 1 teaspoon ground cinnamon
- 1 teaspoon vanilla extract
- 1/2 teaspoon baking soda
- 1/4 teaspoon ground nutmeg
- 1/4 teaspoon ground ginger
- 1/2 teaspoon baking powder
- 1/2 cup chopped pecans
- Frosting:
- 2 tablespoons butter, softened
- 1 1/2 cups confectioners' sugar, sifted
- 2 tablespoons orange juice
- 1 tablespoon grated orange zest
- Preheat oven to 350 degrees F (175 degrees C). Grease a 9×13-inch baking pan.
- Beat flour, brown sugar, pumpkin, 1/2 cup butter, eggs, cinnamon, vanilla extract, baking soda, nutmeg, ginger, and baking powder together in a large bowl using an electric mixer on medium speed until batter is evenly combined, about 2 minutes. Fold pecans into batter and spread into the prepared baking pan.
- Bake in the preheated oven until edges are lightly browned, 20 to 25 minutes. Remove from oven and cool.
- Beat 2 tablespoons butter and confectioners' sugar together in a bowl using an electric mixer until smooth; beat in orange juice and orange zest until frosting is light and spreadable. Spread frosting onto cooled bars.