Instant Pot Mushroom Risotto

Bahan-bahan (4 porsi)

• 1 tablespoon olive oil
• 1 small onion (finely chopped)
• 8 ounces mushrooms (sliced)
• 1 cup arborio rice
• ¼ cup white wine
• 2 cups chicken broth
• 2 cloves garlic (minced)
• ¼ teaspoon dried thyme leaves
• ¼ teaspoon salt
• ⅛ teaspoon black pepper
• 1 tablespoon butter
• ¼ cup shredded Parmesan cheese (divided)