"This Blueberry Coffee Cake is an old-fashioned recipe that withstands the test of time! Fresh blueberries with just a hint of cinnamon. So moist and filled with blueberries, it makes the perfect breakfast or afternoon coffee break...."
INGREDIENTS
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1½ cups blueberries
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2 cups all-purpose flour (plus 4 tablespoons, divided)
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2 tsp baking powder
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½ tsp salt
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1 egg (room temperature)
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¾ cup sugar
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¼ cup unsalted butter (plus 3 Tablespoons, divided, softened)
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½ cup milk
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¾ cup brown sugar
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2 tsp cinnamon