1. In a large frying pan cook lean ground beef until lightly browned (you don’t have to fry it until fully cooked). Add garlic for the last few minutes of frying.
2. Add all ingredients to slow cooker except quinoa. Stir together and set on high for 3.5 hours.
3. Add the uncooked quinoa for the last 45-60 minutes.
4. Optional: mix in or add shredded Parmesan before eating.