"Treat yourself to moist, delicious Coffee Cake Muffins! These brunch-worthy Crumb Cake Muffins feature a tasty Cinnamon Crumb Topping that you'll crave!..."
INGREDIENTS
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1/2 cup granulated sugar
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1/2 cup packed brown sugar
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1 teaspoon cinnamon
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1/4 teaspoon salt
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10 tablespoons salted butter, (melted and slightly cooled)
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1 3/4 cups flour
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nonstick cooking spray
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1 3/4 cups flour
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1/4 cup cornstarch
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1 tablespoon baking powder
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1/2 teaspoon baking soda
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1/2 teaspoon salt
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2 large eggs
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1 cup sour cream
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2/3 cup granulated sugar
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8 tablespoons salted butter, (melted)
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1 teaspoon vanilla extract
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1/2 cup powdered sugar
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2 teaspoons whole milk
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1/2 teaspoon vanilla extract