Instant Pot Lentil Soup

Bahan-bahan (8 porsi)

• 1 pound lean ground beef
• 2 cloves garlic (minced)
• 1 yellow onion (diced)
• 1 tablespoon olive oil
• 1 cup sliced celery
• 1 cup sliced carrot
• 1 large russet potato (peeled and cubed)
• 1 cup brown lentils (or green lentils)
• 6 cups beef broth
• 1 (28 ounce each) can diced tomatoes (with juices)
• 1 tablespoon Worcestershire sauce
• 1 teaspoon Italian seasoning
• salt and black pepper (to taste)
• chopped fresh parsley (for garnish, optional)
• grated Parmesan cheese (for garnish, optional)