A "meaty" texture created with carrots, onion, mushrooms, and walnuts, while tomatoes, tamari, and herbs add flavor. Even the kids will love this hearty sauce.
Add mushrooms and cook for 5-6 minutes or until tender.
Add onion, carrot, and season to taste with salt and pepper. Cook, stirring, for 3 minutes.
Add walnuts and tamari and cook for 1 minute.
Make a well in the center, so when you add can tomatoes, they touch the hot skillet surface. Add tomatoes, tomato paste, and Italian herbs. Stir well, cook stirring for 5 minutes and then add vegetable broth.