Preheat your grill to medium-high heat.
In a bowl, combine together the Italian sausage and ground beef and season with salt and pepper to taste.
1 lb. ground beef, ½ lb. Italian sausage, Sea salt and freshly ground black pepper
Form 6 to 8 patties of equal size with the meat mixture.
Combine all the ingredients for the chili sauce in a saucepan placed over medium heat. Season to taste and bring to a boil.
1 onion, 1 ½ cup tomato sauce, ¾ cup chicken stock, 1 tsp. chili powder, ½ tsp. paprika, ½ tsp. dried oregano, ¼ tsp. cayenne pepper, Sea salt and freshly ground black pepper
Lower the heat and let the sauce simmer for about 10 minutes. Remove from the heat.
Place the burgers on the hot grill and cook for 5 to 6 minutes per side until just cooked through.
Serve the burgers with your choice of topping and drizzle the chili sauce on top.
Toppings: shredded lettuce