INGREDIENTS
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1-1/2 cups all-purpose flour
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2 teaspoons baking powder
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1/2 teaspoon salt
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1-1/4 cups sugar
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1/2 cup vegetable oil
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3 large eggs
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1 teaspoon pure vanilla extract
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3/4 cupsour cream
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1 teaspoon orange zest
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1 cup mini chocolate chips
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1/2 cup all-purpose flour
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1/2 cup light brown sugar
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6 tablespoons cold butter, sliced into small pieces
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1/2 teaspoon pure vanilla extract
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1/2 cup mini chocolate chips
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powdered sugar, for sprinkling on cooled cake