Cheeseburger without sesame stalks

1 onion , chopped 1 1/2 lbs ground beef 1/2 cup ketchup 1/2 teaspoon salt 1/4 teaspoon black pepper 6 hamburger buns, split 3/4 cup pickle , sliced 6 slices[...]

1 egg , lightly beaten 1 (8 ounce) can tomato sauce 1 cup quick-cooking oats 1/4 cup onion , chopped 1/2 teaspoon salt 1/2 teaspoon pepper 1 1/2 lbs lean[...]

1 egg , lightly beaten 1 (8 ounce) can tomato sauce 1 cup quick-cooking oats 1/4 cup onion , chopped 1/2 teaspoon salt 1/2 teaspoon pepper 1 1/2 lbs lean[...]

1 onion , chopped 1 1/2 lbs ground beef 1/2 cup ketchup 1/2 teaspoon salt 1/4 teaspoon black pepper 6 hamburger buns, split 3/4 cup pickle , sliced 6 slices[...]

1 lb ground beef 1 onion , chopped 1 cup chopped celery 2 garlic cloves , minced 2 tablespoons flour 28 ounces beef broth 2 potatoes , scrubbed and chopped 14[...]

1 1/2 lbs ground chuck (80% lean) 1 tablespoon ketchup 1 teaspoon dried basil 1/2 teaspoon dried thyme 1/2 teaspoon kosher salt 1/2 teaspoon Worcestershire[...]