In a large bowl, mix ground beef, egg, quick cooking oats, dried onion flakes, seasoning salt, pepper, ketchup, and dry onion soup mix. Form the mixture into about 4 burger patties.
1 pound ground beef, 1 egg, beaten, ¼ cup quick cooking oats, 1 tablespoon dried onion flakes, ½ teaspoon seasoning salt, 1 dash ground black pepper, 2 tablespoons ketchup, 1 teaspoon dry onion soup mix