Instant Pot Vegetable Beef Soup

Name: Instant Pot Vegetable Beef Soup
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Cuisine: American
Ingredients: 1 ½ lb. beef stew meat; 2 Tbsp. cooking fat of choice; 1 medium yellow onion, diced; 1 lb. potatoes, cut into ½-inch cubes, skin on (Red, Yukon Gold, or Russet will work); 3 medium carrots, peeled and sliced; 2 ribs celery, sliced; 4 cloves garlic, peeled and minced; 1 cup green beans, trimmed and cut into 1-inch pieces (may substitute frozen green beans); 1 cup frozen peas; 1 (14-ounce) can diced tomatoes, with their liquid; 4 cups beef broth; 1 tsp. dried thyme; 1 tsp. Italian seasoning; Salt and pepper to taste