INGREDIENTS
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CRUMB INGREDIENTS
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1/2 cup granulated sigar
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1/2 cup brown sugar
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1/2 cup flour
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1/4 cup butter, room temperature
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1/2 teaspoon cinnamon
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MUFFIN INGREDIENTS
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3 cups flour
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4 teaspoons baking powder
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1 teaspoon salt
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1 teaspoon cinnamon
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1/2 cup butter, melted
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1/2 cup granulated sugar
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1/2 cup brown sugar
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2 eggs, room temperature
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2 teaspoons vanilla
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1 cup buttermilk
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1 1/2 cups blueberries (if using frozen, do not thaw)