Easy Instant Pot Vegan Low-Carb Spaghetti Squash with Mushroom Ragu Recipe

Ingredients

• 1 (3 pound) spaghetti squash, halved and seeded
• 1 cup vegetable broth
• 1 sprig fresh rosemary
• 0.5 tablespoon salt
• 2 tablespoons olive oil
• 1 onion, chopped
• 2 cloves garlic, minced
• 1 cup chopped button mushrooms
• 1 (28 ounce) can no-salt-added whole tomatoes, undrained and chopped
• 1 tablespoon salt
• 1 teaspoon ground black pepper
• 0.5 teaspoon dried sage
• 3 bay leaves
• 0.5 teaspoon basil