FOR HERB AND CHEESE POPOVERS:
Mix together 2 tablespoons minced garlic, 1/4 cup Parmesan cheese, 2 tablespoons fresh thyme, and 1 teaspoon pepper. Evenly divide the mixture amongst the tops of the popovers. Add 1/4 tablespoon butter (room temp) to the top.
FOR CINNAMON POPOVERS:
Mix 1 teaspoon ground cinnamon in with the flour. When the popovers are warm from the oven sprinkle them with sugar. Serve with butter.