Mocha Chiffon Cake

Ingredients

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• 2 ½ cups all-purpose flour
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• 1 cup white sugar
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• 1 tablespoon baking powder
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• 1 teaspoon salt
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• ½ cup vegetable oil
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• 8 egg yolks
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• 2 tablespoons grated orange peel
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• 1 teaspoon vanilla extract
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• ⅓ cup orange juice
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• ⅓ cup water
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• 8 egg whites
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• ½ teaspoon cream of tartar
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• ½ cup white sugar
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Instructions

1. 1
   Preheat the oven to 325 degrees F (165 degrees C). Grease 16 muffin cups.
2. 2
   Stir flour, 1 cup sugar, baking powder, and salt together in a large bowl until well combined. Make a well in the center and add oil, egg yolks, orange peel, vanilla, orange juice, and water. Mix well by hand until smooth with no lumps. Set aside.
3. 3
   Beat egg whites and cream of tartar in a large glass or metal mixing bowl until foamy. Gradually add 1/2 cup sugar, continuing to beat until soft peaks form. Lift your beater or whisk straight up: egg whites should form soft mounds rather than a sharp peak.
4. 4
   Fold flour mixture into egg whites until incorporated. Pour batter into the prepared muffin cups to about 2/3 full.
5. 5
   Bake in the preheated oven until a toothpick inserted into the center comes out clean, about 40 minutes. Cool in the pans for 10 minutes before removing to cool completely on a wire rack.