Place zucchini, carrots and onion in large bowl. Add Egg Beaters, Fleischmann’s, flour and garlic salt; mix well.
Spray large skillet with cooking spray. Heat over medium heat. Drop tablespoons of the batter carefully in skillet; spreading each with the back of a spoon to form a thin circle. Repeat to cook 5 to 6 latkes at a time. Cook 2 minutes on each side, or until golden brown. Remove latkes from skillet.
Serve warm with sour cream, if desired.