Gluten-Free Onion Topping


This is a tasty gluten-free onion topping for casseroles or even to top a hamburger. They are oven-fried and are similar to the popular fried onions in a can that are often used in the traditional green bean casserole.

Prep Time:
15 mins
Cook Time:
30 mins
Total Time:
45 mins


  • 2 tablespoons olive oil, divided

  • ¼ cup rice flour

  • 2 tablespoons cornmeal

  • ½ teaspoon salt

  • 2 large onions, halved and cut into short strips


  1. Preheat the oven to 425 degrees F (220 degrees C). Oil a baking sheet with 1 tablespoon olive oil.

  2. Mix flour, cornmeal, and salt together in a bowl. Toss onion in flour mixture until coated and spread onto the prepared baking sheet. Drizzle remaining olive oil over onion mixture.

  3. Bake in the preheated oven, tossing onions occasionally, until crisped and golden, about 30 minutes.

Cook's Note:

You can use these onions in your green bean casserole, mixing half into green bean mixture and using remaining onions to top the casserole.

Nutrition Facts (per serving)

47 Calories
2g Fat
6g Carbs
1g Protein
Nutrition Facts
Servings Per Recipe 12
Calories 47
% Daily Value *
Total Fat 2g 3%
Saturated Fat 0g 2%
Sodium 98mg 4%
Total Carbohydrate 6g 2%
Dietary Fiber 1g 2%
Total Sugars 1g
Protein 1g
Vitamin C 2mg 10%
Calcium 6mg 0%
Iron 0mg 1%
Potassium 41mg 1%

* Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.

** Nutrient information is not available for all ingredients. Amount is based on available nutrient data.

(-) Information is not currently available for this nutrient. If you are following a medically restrictive diet, please consult your doctor or registered dietitian before preparing this recipe for personal consumption.

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