Thaw rolls until soft (about 2 hours at room temperature). Mix grated lemon rind with sugar. Cut rolls in half and place in greased 9" X 13" pan or 12" deep dish pizza pan. Pour 1/4 cup melted butter over rolls. Sprinkle with lemon rind/sugar mixture, reserving 1/2 of mixture to sprinkle on just before baking. Cover with plastic wrap that has been sprayed with non-stick cooking spray. Let rise until double in size. Remove wrap. Sprinkle on remaining lemon rind/sugar mixture. Bake at 350°F for 20-25 minutes. Remove from pan and place on rack within 4-5 minutes after removing from oven.
Citrus Glaze: Combine powdered sugar, 1 Tbls butter and lemon juice. Mix until thin. Cover warm rolls with glaze.