Place all ingredients EXCEPT spinach, garlic, and parmesan cheese in Instant Pot.
Cook in Instant Pot on high pressure for 18 minutes.
Release pressure immediately.
Add grated garlic, chopped spinach and serve with parmesan cheese.
Stove Top Method
Place all ingredients EXCEPT spinach, garlic, and parmesan cheese in large soup pot.
Bring ingredients to a boil, cover, reduce heat to medium and let simmer for 30-40 minutes stirring occasionally.
Add grated garlic, chopped spinach and serve with parmesan cheese.
Slow Cooker Method
Place all ingredients EXCEPT spinach, garlic, and parmesan cheese in Slow Cooker.
Cook in the slow cooker on low for 3-4 hours or high 1-2 hours.
Add grated garlic, chopped spinach and serve with parmesan cheese.
Notes
I like to soak my lentils the night before. I soak them in water for about 8 hours with a TBS of either apple cider vinegar or whey to help get rid of the anitnutirents.