"This ultra crumbly Crumb Coffee Cake recipe is buttery with cinnamon and loaded with crumbles! It's everything that a crumb coffee cake should be!..."
INGREDIENTS
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2 and 1/2 cups all-purpose flour
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1 cup granulated sugar
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1/2 teaspoon baking powder
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1/2 teaspoon baking soda
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1/2 teaspoon salt
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12 tablespoons unsalted butter, softened and cut into pieces (about 1 tablespoon each)
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3 eggs
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1 teaspoon vanilla extract
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2/3 cup buttermilk
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1 cup light brown sugar
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1 and 1/2 tablespoons ground cinnamon
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2 sticks cold, unsalted butter
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2 and 1/4 cups all-purpose flour
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1 and 1/2 tablespoons cinnamon
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1 and 3/4 cups brown sugar
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2 teaspoons vanilla