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90 Calorie Pumpkin Brownies

90 calorie pumpkin brownies made with a fudgy brownie mix and pumpkin puree, baked until a toothpick comes out clean. Thick, dense batter spreads easily for rich, dark chocolate flavor with warm spices.
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Prep Time 10 minutes
Cook Time 25 minutes
Total Time 35 minutes
Servings: 16 servings
Course: Dessert
Cuisine: American
Calories: 90
Ingredients Equipment Method Notes

Ingredients
  

Brownie mix
  • 1 box (18 oz) dark chocolate or fudge brownie mix Use the mix called for in the recipe and follow the method below—do not add eggs or oil.
Pumpkin base
  • 1 can (15 oz) pumpkin puree Replaces eggs and oil entirely for a lighter brownie bar.
  • 0.5 tsp pumpkin pie spice
  • 0.5 tsp cinnamon
Optional mix-in
  • 0.25 cup dark chocolate chips Optional; fold in after the batter is smooth.
Topping
  • powdered sugar for dusting Dust over cooled brownies before slicing.

Equipment

  • 1 sheet pan

Method
 

Preheat and prep the pan
  1. Preheat the oven to 350F and grease a 9x13 baking pan so the dense batter releases cleanly.
Mix the brownie batter
  1. Combine brownie mix, pumpkin puree, pumpkin pie spice, and cinnamon in a mixing bowl and stir until completely smooth, scraping the bottom and sides.
  2. Let the batter sit thick for a moment as you work—its very thick texture is correct and should not be thinned with eggs or oil.
  3. Fold in the dark chocolate chips if using, just until evenly distributed with no dry streaks.
Bake and finish
  1. Spread the batter evenly in the prepared pan using a spatula, pressing gently because the batter is dense.
  2. Bake at 350F for 23-26 minutes until a toothpick comes out clean, with the center set but not wet.
  3. Cool completely before slicing, then dust with powdered sugar and cut into 16 bars.

Notes

Pro tip: use the same brownie mix throughout and don’t add the box’s eggs or oil—pumpkin puree is the binder here, so the batter stays thick and fudgy. Store in an airtight container in the fridge up to 4 days (best texture after chilling). Freeze baked bars up to 2 months; thaw overnight in the fridge. For a dairy-free swap, choose a dairy-free dark chocolate brownie mix and ensure the chips are dairy-free.