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Pumpkin Pie Cake Slab

This recipe feeds a crowd. It makes a slab (a sheet cake). Perfect for holiday get-togethers!
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Ingredients
  

  • 4 cups flour
  • 4 tsp baking powder
  • 2 tsp baking soda
  • 1 tsp cinnamon
  • 2 cups vegetable oil
  • 8 eggs
  • 2 cups brown sugar
  • 2 tsp vanilla extract
  • 1 can pumpkin pie mix 30 ounce

Instructions
 

  • Preheat oven to 350°. Grease your 9x13 baking pan.
  • Whisk flour, baking soda, baking powder and cinnamon together in a large bowl. Set aside.
  • Whisk the oil, eggs, brown sugar, vanilla and pumpkin pie mix together until combined. Pour wet ingredients into dry ingredients and use a mixer or whisk until completely combined. The batter will be thick.
  • Spread batter into prepared pan. Bake for 40-45 minutes. Baking times vary - the cake is done when a toothpick inserted into the center comes out clean.
    *You may find you have extra batter left over after filling the sheet pan. I call this "Mom's Cake". It's just a smaller, extra cake that I prepare (typically a small 8" round), bake and stash away somewhere in the back of the fridge for a few days to snack on in secret. I have no shame.*
  • Remove from oven and allow to fully cool.