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1
For the cake: Place an oven rack in the center of the oven.
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Preheat the oven to 325 degrees F. Spray an 11- by 8-inch rimmed baking sheet with cooking spray.
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Lay a piece of parchment paper over the baking sheet allowing the excess to fall over the sides.
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4
Spray the parchment paper with the cooking spray.
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Set aside.
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6
In a medium bowl, whisk together the flour, cocoa powder, baking powder and salt.
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Set aside.
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8
In a stand mixer fitted with a paddle attachment, beat the butter and granulated sugar on high speed until light and fluffy, about 1 minute.
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Beat in the eggs, one at a time until smooth.
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Add the mascarpone cheese, orange juice and zest.
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Mix until well combined.
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Gradually add the flour mixture until combined.
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13
Scrape the batter into the prepared baking sheet, spreading the batter to the edges.
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14
Bake until a cake tester comes out clean, 12 to 15 minutes.
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15
Cool in the pan for 30 minutes.
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16
Using the excess parchment to lift, carefully remove the cake from the baking sheet and cool completely on a wire rack for about 30 minutes.
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For the frosting: While the cake is cooling, combine the confectioners' sugar, milk, vanilla extract and butter in a medium bowl.
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Using an electric hand mixer, combine the ingredients until smooth, adding more milk if needed (the frosting should be stiff).
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19
Gradually add the orange food coloring until desired color.
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20
Cut the cooled cake in half.
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Using a serrated knife, trim the top layer of cake halves to make a flat surface.
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Spread the frosting over one half of the cake.
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Top with the other cake half.
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Refrigerate for 45 minutes to 1 hour until the frosting has set.
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25
For the chocolate: Combine the chocolate and safflower oil in a small bowl and place over a saucepan of barely simmering water.
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Stir occasionally until the chocolate has melted and the mixture is smooth.
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Line a baking sheet with waxed paper.
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28
Cut the cake into 1 1/4-inch squares.
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29
Insert a popsicle stick into the end of each cake square.
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30
Dip the cake squares into the melted chocolate, shaking off any excess chocolate.
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Decorate with sprinkles and place on the prepared baking sheet.
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Repeat with the rest of the cake squares.
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Refrigerate the pops until the chocolate has set, 1 to 2 hours.