Gluten Free, Recipes

Slow Cooker Lentil Spaghetti Sauce


This is recipe is great for busy weeknights and leftovers can be frozen for later.  I started with my mom’s homemade spaghetti sauce and then added my favorite super food- lentils! Lentils are a great supplement or substitute for meat and are an excellent source of fiber, protein, iron and folate.

Slow Cooker Lentil Spaghetti Sauce


  • 3 28 oz cans crushed tomatoes
  • 1 6oz can tomato paste
  • 1 tsp oregano
  • 1 tsp thyme
  • 1 tsp italian seasonings
  • 2 bay leaves
  • 1 TB sugar
  • 1 cup lentils
  • 1 cup water or broth
  • 1 onion, diced
  • 2 TB minced garlic
  • 1-2 TB olive oil
  • 1 lb 90% ground lean beef or turkey (optional)
  • red pepper flakes, ground pepper and salt to taste


  1. Brown meat or turkey with diced onion, garlic and olive oil. If omitting meat, just saute onion and garlic in olive oil. Add a little water to the pan if meat starts to stick
  2. While meat is browning, place tomatoes, tomato paste, lentils, spices and herbs, sugar and water in slow cooker, stirring until combined.
  3. Add browned meat and onion mixture to crockpot. Cook on low for 8 hours.
  4. Serve with gluten free whole grain pasta (Tinkyada, Jovial, Ancient Harvest or Explore Foods make some good pastas). Top with grated parmesan cheese.
  5. Sauce can be frozen or refrigerated for leftovers.


Lentil Spaghetti Sauce with gluten free noodles
Lentil Spaghetti Sauce with gluten free noodles


1 thought on “Slow Cooker Lentil Spaghetti Sauce”

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