Beef with ketchup

2 eggs 1/2 cup dry breadcrumbs 1/2 teaspoon salt 1/4 teaspoon black pepper 1 lb ground beef 1 lb ground lamb 2 tablespoons olive oil 1 medium onion , chopped[...]

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[...]