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In a medium-size bowl, mix the sugar and apple pie spice. Set aside. 
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Remove the biscuits from the can and use your hand to peel and separate each into two layers. Using a rolling pin, roll each layer of biscuit into a 4-inch circle. (You will have 16 circles.) 
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In a small bowl, combine the apple pie filling with cinnamon. Mix to combine. 
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Spoon about 1 tablespoon of the apple pie filling and cinnamon mixture into the center of each circle. 
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Use your fingers to pull sides together and pinch to seal. Roll into balls. 
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Spray the basket of an air fryer with nonstick cooking spray. 
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Working in batches, place the balls into an air fryer basket about 2 inches apart. Spray the tops with cooking spray. 
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Air fry at 350°F for 8-9 minutes, or until golden brown. 
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Carefully remove the balls from the air fryer, dipping each in melted butter. 
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Roll each dipped apple pie bomb into the apple pie spice and sugar mixture. Repeat with the remaining batches. 
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Serve immediately or at room temperature.