Vegan Instant Pot Portobello Pot Roast

Ingredients

• 2 cups / 16 oz / 473 mls good quality vegetable or mushroom broth
• 2 tablespoons olive oil
• 4 large carrots
• 5 large potatoes
• 2 sprigs of fresh thyme
• 4 tablespoons all purpose flour
• ¼ cup / 60 mls soy sauce
• 3 to 4 fresh sage leaves
• 1 large onion
• 1 tablespoon sugar
• 1½ cups / 360 mls red wine
• 3 cloves garlic
• 1 large sprig fresh rosemary
• 1 teaspoon salt
• ½ teaspoon black pepper
• 5 large portobello mushrooms