Sweet Potato, Black Bean, and Ground Sirloin Chili

Ingredients:

1 Tablespoon olive oil
1 small yellow onion, diced (about 1/2 cup)
3 garlic cloves, minced
2 1/4 pounds ground sirloin
1 large sweet potato, 3 cups chopped
1-28 ounce can tomato sauce
1 28 ounce can crushed tomatoes
1 cup water
1 large green pepper, chopped
10 ounce jar fire roasted red peppers, drained and diced
1-15 ounce cans low-sodium black beans
1 1/2 Tablespoon cumin
1 1/2 Tablespoons chili powder
2 Tablespoons Worcestershire
1 teaspoon red pepper flakes
1 Tablespoon brown sugar

Directions: