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1
Preheat oven to 350 degrees F (175 degrees C). Grease a 9x13-inch baking pan.
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2
Beat cake mix, water, eggs, and oil in a bowl using an electric mixer until smooth. Pour batter into the prepared pan.
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3
Bake in the preheated oven until a toothpick inserted into the center comes out clean, 26 to 31 minutes. Cool until easily handled, at least 15 minutes.
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4
Trim about 1/2 inch off the edges of the cake and discard. Mash cake into fine crumbs in a bowl. Mix in frosting thoroughly. Roll mixture into balls 1 1/4 to 1 1/2 inches wide. Place cake balls on a baking sheet. Cover with plastic wrap and freeze until firm, about 15 minutes.
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5
Place chocolate coating in the top of a double boiler over simmering water. Stir frequently, scraping down the sides with a rubber spatula to avoid scorching, until melted, about 5 minutes. Remove chocolate coating from heat.
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6
Place white coating in the top of a double boiler over simmering water. Stir frequently, scraping down the sides with a rubber spatula to avoid scorching, until melted, about 5 minutes. Remove white coating from heat.
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7
Line a separate baking sheet with parchment paper. Insert lollipop sticks halfway through the chilled cake balls; dip into the melted chocolate or white coating. Set on the baking sheet until coating hardens, about 20 minutes.
