4 burgers tangy tomato sauce Recipes

tuna steaks, fresh, garlic clove, finely chipped, fresh ginger, peeled and finely chopped, soy sauce, cilantro leaf, chopped, sunflower oil, hamburger buns, leaves lettuce, sliced, tomatoes, avocados

ground beef, ground pork, tomato paste, salt, fresh coarse ground black pepper, garlic cloves, minced, onion, chopped, chopped fresh oregano or 1 tsp dried oregano, chopped fresh thyme or 1/2 tsp dried oregano, tomato sauce, cider vinegar, light brown sugar, dijon mustard

onion (1/2 sliced into rings, 1/2 diced ), meatloaf mix (ground pork, beef and veal) or ground turkey, fresh parsley, chopped, breadcrumbs (preferably panko), egg, sweet or smoked paprika, ketchup, duck sauce, kosher salt and freshly ground pepper, extra-virgin olive oil, potato buns or other rolls, split, lettuce , sliced tomato and pickle slices, for topping, sweet potato chips , for serving (optional)