"Pumpkin Dump Cake from Delish.com..."
INGREDIENTS
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Cooking spray, for baking dish
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1 (29-oz) can pumpkin purée
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1 c. dark brown sugar
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3 large eggs
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3 tsp. pumpkin pie spice
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1 box yellow cake mix
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1 c. chopped pecans
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1 c. (2 sticks) butter, sliced
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Whipped cream, for serving