The phrase "tablespoon ketchup" means using one tablespoon amount of ketchup, which is a tomato-based sauce, usually used as a condiment, in cooking or for adding flavor to food. Full definition
1 pound ground lamb 5 tablespoons olive oil, divided 1 large shallot, finely diced (about three tablespoons) 1 clove garlic, minced (about one teaspoon) 1 tablespoon ketchup Coarse kosher salt and freshly ground black pepper 1 teaspoon ground cumin 1/2 teaspoon crushed red pepper flakes 1/4 cup chiffonade cut mint 8 small hamburger or slider buns, such as King's Hawaiian, halved and toasted (fieryfoodscentral.com)