In a large pot, heat olive oil over medium heat.

Add onions, green pepper, and celery with leaves.

Cook for about 5 minutes until softened.

Add any leftover cooked vegetables, peeled and crushed tomatoes, diced tomatoes, beef stock, tomato paste, drained kidney beans, mixed beans, paprika, garlic, Worcestershire sauce, chili powder, steak sauce, Tabasco sauce, salt, and pepper to the pot.

Bring the chili to a boil, then reduce the heat and simmer for at least 1 hour, stirring occasionally.

Adjust seasoning to taste, adding more chili powder, Worcestershire sauce, Tabasco sauce, salt, or pepper as needed.

Serve hot with your choice of condiments such as cooked spaghetti noodles or rice, shredded cheddar cheese, sour cream, jalapeno peppers, and a side of moist cornbread.