"Buttermilk Coffee Cake with Crumb Streusel is an easy cake recipe that will quickly become a favorite! Add a sprinkling cinnamon, pumpkin pie spice, or nuts to fit whatever flavor you're in the mood for...."
INGREDIENTS
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2 1/2 cups all-purpose flour
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1/2 teaspoon salt
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1 teaspoon ground cinnamon
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3/4 cup granulated sugar
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1 cup brown sugar
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3/4 cup vegetable oil
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1 large egg ((beaten))
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1 cup buttermilk ((divided))
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1 teaspoon baking powder
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1 teaspoon baking soda