Grate zucchini, no need to peel or seed unless seeds are large; sprinkle zucchini with salt; let set 15 to 20 minutes, then drain WELL.
Add the beaten egg, bisquick, Parmesan cheese, garlic powder, salt& pepper to the drained zucchini and mix well, batter will not be stiff or real thick.
Using a large skillet heat, add oil enough to fry patties, Drop by tablespoon to make a pattie about 2 to 3 inches in diameter, cook over mediun heat until browned on each side, about 3 to 4 minutes each side.
Place patties between paper towels. Keep warm in oven until ready to serve, Enjoy.