Combine sugar butter and water in large heavy pot Bring to boiling over medium heat stirring constantly Continue to cook until the sugar is dissolved and the mixture becomes syrupy 4 to 5 minutes Remove pot from heat Add the popcorn to the pot Stir to coat popcorn evenly with sugar mixture Turn coated popcorn out in thin layer onto sheet of wax paper or parchment paper Let popcorn cool for about 10 minutes Serve in a basket or for a festive touch in individual paper cones