While oil is heating combine cornmeal; sugar, salt, baking powder, and onion in a medium bowl.
Combine water and butter in a small saucepan and bring to a boil over
heat; pour over dry ingredients and rapidly to blend. Set mixture as until cool enough to handle. Form in 24 equal balls. Drop hush
puppies into hot oil; being careful not to crowd pan, deep-fry, turning once; until golden brown on both sides (3 to 4 minutes). Take care to maintain correct oil temperature. Remove puppies from oil with a slotted spoon and drain on paper to hot.