1 can (20 oz) sliced pineapple, drained, juice reserved
1 box yellow cake mix
1/2 cup vegetable oil
1/3 cup butter, melted
2/3 cup packed brown sugar
12 maraschino cherries, cut in half
Heat oven to 350°F. Spray 24 regular-size muffin cups with cooking spray.
Cut each pineapple slice into 4 pieces; set aside. In a large bowl, beat cake mix, oil, eggs and reserved pineapple juice with electric mixer on low speed 30 seconds. Beat on medium speed 2 minutes, scraping bowl occasionally.
In a small bowl, stir together melted butter and brown sugar. Spoon 1 1/2 teaspoons butter mixture into each muffin cup. Top each with 2 pineapple pieces. Place cherry half, cut side up, in center of pineapple pieces. Spoon 1/4 cup batter into each cup.
Bake 20 to 25 minutes or until a toothpick inserted in center comes out clean. Cool 5 minutes. Run a knife around edge of cupcakes to loosen; invert onto cookie sheet. Serve warm.