Heat oil in a large skillet over medium-high heat. Then add 4 tsp vegetable oil.
Add onion, celery, bell pepper and garlic to the pan and cook until vegetables are softened about 5 minutes.
Add the ground beef and sausage, cook until browned.
Stir in tomato sauce, beans, chicken broth, cumin, chili powder, oregano, bay leaves and Minor’s beef base. Simmer for 30 minutes.
Add mayonnaise and brown sugar; stir to combine. Simmer for 5 more minutes or until the chilli is thickened.
Serve with your favourite toppings.