Pumpkin Cake

• 2 cups all-purpose flour
• 3 teaspoons baking powder
• 2 teaspoons baking soda
• 2 teaspoons ground cinnamon
• ¼ teaspoon salt
• 2 cups white sugar
• 1 ¼ cups vegetable oil
• 2 cups canned pumpkin
• 1 teaspoon vanilla extract
• 4 large eggs
• 1 cup chopped walnuts (Optional)

Directions

1. Preheat the oven to 350 degrees F (175 degrees C). Grease and flour a 12×18-inch sheet pan.
2. Sift flour, baking powder, baking soda, cinnamon, and salt together in a large bowl; set aside.
3. Beat sugar and oil together in a large bowl with an electric mixer until smooth.
4. Blend in pumpkin and vanilla, then beat in eggs one at a time.
5. Gradually beat in flour mixture until just combined.
6. Stir in walnuts; spread batter into the prepared sheet pan.
7. Bake in the preheated oven until a toothpick inserted into the center of the cake comes out clean, about 30 minutes. Allow to cool.