Instant Pot Lamb Stew

Name: Instant Pot Lamb Stew
Prep time: 10 min
Cook time: 30 min
Total time: 40 min
Cuisine: American
Ingredients: 2 Tablespoon oil; 1 pound lamb stew meat (cubed); 1 yellow onion (medium, diced); 2 cups chicken broth; 1 cup Guinness Stout; 2 Tablespoon flour; 1 teaspoon dried thyme (or 2 Tablespoons fresh); 1 teaspoon dried rosemary (or 2 Tablespoons fresh); 1 1/2 Tablespoon Tomato paste; 1 teaspoon Dijon mustard; salt and pepper to taste; 2 medium potatoes; 3 carrots