Place the grated potatoes in a towel and squeeze out as much moisture as possible. Place potatoes in a medium bowl and add scallions, eggs, flour and salt and pepper. Heat a small non stick frying pan over meidum-high heat. Spoon a large portion of latke and flatten with a fork. Make one large latke at a time. Once browned, flip over and cook until done. Remove to a plate and cut into pieces. Serve with sauce. Make the sauce: Combine all ingredients and whisk to blend.
