Classic Cinnamon Rolls
1 cup hot water 1 cup mashed potatoes 1 cup reserved potato water 1 cup sugar 1 teaspoon Spice Islands® 100% Pure Bourbon V… 1 ½ teaspoons Spice Islands® Ground Saigon Ci… 2 eggs 2 envelopes Fleischmann's® Active Dry Yeast 2 teaspoons salt 3 cups powdered sugar 5 tablespoons milk, or more as needed 6 tablespoons butter OR margarine, softened 8 ½ cups all-purpose flour, or more if needed ½ cup butter OR margarine, softened ½ cup warm water (100 to 110 degrees F) ¾ cup butter OR margarine ¾ cup sugar