Cinnamon Roll Pancake DIY CINNAMON FILLING: 4 tablespoons (1/2 stick) unsalted butter, just melted (not boiling) 1/4 cup + 2 tablespoons packed light brown sugar 1/2 tablespoon ground cinnamon CREAM CHEESE GLAZE: 4 tablespoons (1/2 stick) unsalted butter 2-ounces cream cheese, at room temperature 3/4 cup powdered sugar 1/2 teaspoon vanilla extract