Heat oil in a large skillet over medium-high heat.
Add beef, and cook, stirring often an breaking it apart until beef is browned. 4-6 minutes.
Transfer beef to slow cooker and stir in bell peppers, onion, sweet potato, crushed tomatoes, diced tomatoes, bone broth powder, chili powder, smoked paprika, garlic, cumin, salt, cinnamon, and cayenne.