Using a cheese grater, shred your zucchini. Use a cheese cloth (or papertowels) to squeeze and remove excess water from the zucchini. Place in a medium sized bowl.
Finely slice the scallion and add to zucchini.
Prescramble egg and add to zucchini along with your oat flour and garlic salt. Mix well.
Heat pan on medium. Once pan is hot, add cooking fat of choice and coat the pan.
Using your hands, make thin palm size patties and place in hot pan. Flatten with your spatula.
Cook each side for 4-5 minutes or until golden brown. Flip and cook another 4-5 minutes or until golden brown.