Name: Whole Wheat Blueberry Muffins
Prep time: 10 min
Cook time: 20 min
Total time: 30 min
Yield: 10-12 muffins
Ingredients: 1 egg yolk; 1 egg; 1/2 cup milk; 1/2 cup maple syrup, honey, or a combination; 1 teaspoon vanilla; 7 tablespoons salted butter, melted; 1 cup whole wheat flour; 1/2 cup white flour; 2 teaspoons baking powder; a pinch of salt; 2 cups frozen wild blueberries; 3 tablespoons butter; 2 tablespoons milk; 1 cup powdered sugar