Whole30 Approved: Sweet Potato Chili

Name: Whole30 Approved: Sweet Potato Chili
Ingredients: 1 1/2 pounds 85% grass-fed ground beef; 1 tablespoon olive oil; 1 red onion diced; 2 carrots diced; 1 red bell pepper diced; 1 leek diced (white and light green parts only); 2 medium sweet potatoes peeled and large diced; 4 garlic cloves minced; 2 cups beef bone broth; 2 14.5- ounce cans fire-roasted diced tomatoes drained; 3/4 cup tomato sauce; 1 tablespoon tomato paste; 1 tablespoon chili powder; 1 teaspoon smoked paprika; 2 teaspoons cumin; 1/2 teaspoon oregano; 1/2 teaspoon thyme; 2 bay leaves; 1/4 teaspoon crushed red pepper flakes; Sea salt and pepper to taste