Gluten-Free Condensed Cream of Celery Soup

Ingredients

• 3/4 cup finely chopped celery
• 1 tablespoon vegetable or avocado oil
• 1 cup 2% evaporated milk (8-ounces)
• 1 teaspoon onion powder (or substitute 1 tablespoon chopped onion)
• 2 tablespoons cornstarch
• 1/8 teaspoon white pepper
• 1/4 teaspoon celery salt or table salt
• pinch of sugar