Glazed Apple Crumb Muffins

packed light or dark brown sugar

granulated sugar

ground cinnamon

unsalted butter, melted

all-purpose flour

unsalted butter, softened to room temperature

packed light or dark brown sugar

granulated sugar

large eggs, at room temperature

yogurt, at room temperature

vanilla extract

and 3/4 cups (220g) all-purpose flour (spoon & leveled)

baking soda

baking powder

ground cinnamon

salt

milk (any kind), at room temperature

and 1/2 cups peeled, chopped apple (2 small apples)

confectioners' sugar

heavy cream (or milk for a less creamy texture)

vanilla extract