Ingredients

  • 1 small yellow onion, or ½ large yellow onion
  • 1 celery rib
  • ½ large carrot (if keto, omit carrot and double celery)
  • 2 cloves garlic
  • olive oil, as needed
  • 10 oz fresh mushrooms
  • 1 cup walnuts
  • 3 tbsp tomato paste
  • 12 oz passata tomatoes
  • a few fresh thyme sprigs
  • 1 bay leaf
  • ½ tsp oregano
  • ½ tsp crushed red pepper flakes
  • salt and pepper to taste

Directions