Rhubarb Pineapple Upside-Down Cake

Ingredients

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• cooking spray
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• ½ cup butter, melted
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• 1 ½ cups brown sugar
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• 24 maraschino cherries
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• 1 (20 ounce) can crushed pineapple
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• 1 (15.25 ounce) package pineapple cake mix (such as Duncan Hines Pineapple Supreme)
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• 1 ⅓ cups pineapple juice
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• ⅓ cup vegetable oil
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• 3 large eggs
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• 1 tablespoon confectioners' sugar for dusting, or as needed
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Instructions

1. 1
   Gather all ingredients. Preheat the oven to 350 degrees F (175 degrees C).
2. 2
   Move an oven rack to the middle of the oven. Spray 24 muffin cups with cooking spray.
3. 3
   Spoon 1 teaspoon melted butter into the bottom of each sprayed muffin cup.
4. 4
   Spoon 1 tablespoon brown sugar into each muffin cup. Press a maraschino cherry into the center of the brown sugar in each muffin cup.
5. 5
   Spoon a heaping tablespoon of crushed pineapple on top and compact it with the back of a spoon into an even layer.
6. 6
   Mix pineapple cake mix, pineapple juice, vegetable oil, and eggs in a large bowl with an electric mixer on low speed until moistened, about 30 seconds. Increase speed to medium; mix for 2 minutes.
7. 7
   Pour batter into the muffin cups, filling them to the top; do not overfill.
8. 8
   Bake in the preheated oven until a toothpick inserted into the center of a cupcake comes out clean, about 20 minutes. Line a work surface with waxed paper. Allow cupcakes to cool at least 5 minutes before inverting muffin cups onto the waxed paper; serve with pineapple and cherry sides up.
9. 9
   Sprinkle cupcakes lightly with confectioners' sugar before serving.