This is a hearty tasty stew. We served ours with polenta. I chopped our mushrooms finely as my hubby doesn’t like chunks of them 🤣.
Makes about 6 servings. 
1 sweet onion chopped 
1 cup chopped carrots 
1 cup chopped celery 
8 ounces mushrooms chopped 
3-6 chopped garlic cloves
2 teaspoons dried thyme 
1 teaspoon dried oregano 
1/2 teaspoon dried sage 
1 tablespoon balsamic vinegar 
2 tablespoons tamari or soy sauce
1 pound potatoes chopped 
1 cup split red lentils ( I actually used the combo pictured above)
1 14 ounce can tomato sauce or marinara 
3 cups vegetable broth 
2 bay leaves 
Salt
Black pepper 
DIRECTIONS 
Place a bit of water in large pot.
Add onion, carrots, and celery with a bit of salt and pepper. Cook about 8 minutes.
Add mushrooms, garlic, thyme, oregano, sage.
Cook 3-4 minutes.
Stir in balsamic vinegar and soy sauce.
Add potatoes, rinsed lentils, tomato sauce, broth, and bay leaves. 
Simmer 30-40 minutes until potatoes are tender and lentils are done.
You can serve with rice, Or mashed potatoes, or mashed cauliflower, or polenta, or grits — whatever.