Homemade Condensed Cream of Chicken Soup (Gluten-Free)

Ingredients

• 1-1/4 cup 2% evaporated milk (see the notes about evaporated milk)
• 1 tablespoon olive or vegetable oil
• 2 teaspoons chicken base
• 1 teaspoon onion powder
• 2 tablespoons cornstarch
• 1/8 teaspoon white pepper
• 1-2 tablespoons cooked chicken (finely chopped)