Name: Bursting Blueberry Coffee Cake Muffins
Total time: 45 min
Yield: 12 to 15 muffins
Ingredients: 3/4 cup all-purpose flour; 3/4 cup loosely packed brown sugar; 1 teaspoon cinnamon; 6 tablespoons unsalted butter ( softened); 2 1/4 cups all-purpose flour; 2 teaspoons baking powder; 1 teaspoon baking soda; 1/4 teaspoon salt; 5 tablespoons unsalted butter ( softened); 1/3 cup coconut oil (melted); 3/4 cup sugar; 2 large eggs; 1 teaspoon vanilla extract; 1 cup plain 2% Greek yogurt; 1 cup fresh blueberries