Ingredients
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1 (15.25 oz) pkg yellow cake mix
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1/2 cup canola oil
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3 large eggs
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2 oranges
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1 red grapefruit
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1/2 cup evaporated milk
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1/2 cup sweetened condensed milk
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1/4 cup whole milk
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1/8 tsp salt
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2 cups light whipped topping, thawed
Steps
1
Preheat the oven to 350°F. Prepare cake mix according to package directions, using the oil and eggs. Grate the zest from the oranges and grapefruit. Add half to the cake mix. Bake cake in a greased 13x9-inch cake pan according to package directions.
2
In a medium bowl, whisk remaining zest, evaporated milk, condensed milk, whole milk, and salt until combined.
3
Cool baked cake 5 min. With a thick skewer, poke cake all over. While cake is still warm, pour milk mixture over cake. Cool completely or refrigerate overnight.
4
Cut any remaining peel and pith from oranges and grapefruit. Thinly slice into rounds. Spread the whipped topping all over cake. Pat citrus slices dry. Arrange on top of cake.