Síle Ekaterin Liszka | Instant Pot Potato Soup

Ingredients

• 5 pound bag of Yukon or Russet potatoes peeled and cubed
• 1 medium onion diced
• 4 cloves garlic minced
• 1 cup celery diced
• 1/2 tablespoon dried thyme
• 1/2 tablespoon dried oregano
• 1/4 teaspoon red pepper flakes optional
• 1/4 teaspoon salt
• 1/8 teaspoon ground black pepper
• 4 cups vegetable broth
• 1 can 12oz evaporated milk
• 1 cup heavy whipping cream
• 1/4 cup cornstarch
• 2 cups cheddar cheese shredded
• 1/2 cup sour cream room temperature