INGREDIENTS
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2 pkg. rapid-rise yeast (about 4 1/2 tsp.)
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1/3 cup warm water (100°F to 110°F)
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1/2 cup granulated sugar
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1/2 cup 2% reduced-fat milk
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1/2 cup unsalted butter, melted
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3 tablespoons plus 1 tsp. grated orange rind, divided
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2 teaspoons vanilla extract
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2 large eggs
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2 large egg yolks
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16 ounces white whole-wheat flour (about 4 cups)
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1 teaspoon salt
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Cooking spray
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2/3 cup packed light brown sugar
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2 teaspoons ground cinnamon
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1 cup powdered sugar
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2 tablespoons fresh orange juice