Fluffy Butterscotch Pudding

1 package fat-free sugar-free Jello butterscotch pudding mix
1 can evaporated milk + enough juice from canned pineapple that was packed in its own juice) to make 2 cups.

Mix together and beat with hand rotary beater several minutes. Spoon into three or four individual serving dishes and garnish with canned pineapple (optional).