Beef And Sweet Potato Stew

2 teaspoons Olive oil

1 pound Stew meat, cubed

1 medium Onion, diced

2 stalks Celery, diced

1 teaspoon Garlic, minced

1 cup Mushrooms, quartered

1 Tablespoon Flour

2 cups Beef broth

2 cups Chicken broth

1 1/2 cups Sweet potatoes, large diced

2 1/2 teaspoon Cumin, ground

1 cup Tomatoes, diced

Salt and pepper to taste

Heat the oil in a large soup pot. Add the beef and brown. Add the onions and celery. Cook until just soft. Add the garlic and mushrooms. Cook for 2 minutes longer. Sprinkle on the flour and cook for 3 minutes (stirring frequently). Whisk in the broths. Add the remaining ingredients, bring to a boil and reduce the heat. Simmer for 1 1/2 hours (or until the beef is tender). Serve warm. Serves 4-6