Instant Pot Mushroom Bolognese Recipe

Name: Instant Pot Mushroom Bolognese Recipe
Ingredients: 1 tablespoon avocado oil; 1 onion, diced; 1 carrot, diced; 3 cloves garlic, minced; 1 teaspoon fennel seeds; 2 (8-ounce) containers white or cremini mushrooms, diced; ¼ cup vegetable broth; 1 cup chopped walnuts; 1 (28-ounce) can diced tomatoes; ¼ cup tomato paste; 2 tablespoons soy sauce; 2 tablespoons nutritional yeast; 1 tablespoon balsamic vinegar; 1 tablespoon oregano; 1 teaspoon dried basil; 1 teaspoon salt; ¼ teaspoon pepper