Is Idahoan® Au Gratin Homestyle Potato Casserole 4.94 Oz. Box Low FODMAP?

No. This product is not low FODMAP as it lists 3 ingredients that are likely high FODMAP at 1 serving and 3 ingredients that could be moderate or high FODMAP depending on source or serving size.

Why it's not low FODMAP

  • dehydrated onion
  • dehydrated garlic
  • reduced lactose whey
  • natural flavor
  • whey protein concentrate
  • whey

dehydrated onion

Dietitian note

Onion and its derivatives (onion powder, onion salt, etc.) are all high FODMAP. Onions are not oil soluble however, which means you can enjoy onion-infused oils.

Note by Vanessa Vargas, RDN, LDN

Use instead

  • green tips of spring onion
  • green tips of leek
  • green tips of scallion
  • chive
dehydrated garlic
reduced lactose whey
natural flavor

+2 more in the app

Every flagged ingredient, explained

Notes and swaps for all 6 flagged ingredients, plus low FODMAP products to buy instead.

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Ingredients

IDAHO POTATO SLICES, MODIFIED FOOD STARCH, SALT, VEGETABLE OIL (CONTAINS ONE OR MORE OF THE FOLLOWING: COCONUT, PALM, SOYBEAN, COTTONSEED, SUNFLOWER, CANOLA), CORN SYRUP SOLIDS, WHEY, CHEESE BLEND (WHEY, MALTODEXTRIN, REDUCED LACTOSE WHEY, CANOLA OIL, CHEDDAR AND BLUE CHEESE [PASTEURIZED MILK, CHEESE CULTURES, SALT, ENZYMES], SALT, DISODIUM PHOSPHATE, WHEY PROTEIN CONCENTRATE, CITRIC ACID, LACTIC ACID, BUTTER, MODIFIED FOOD STARCH, SODIUM PHOSPHATE, YEAST EXTRACT, NATURAL FLAVOR, CORN SYRUP SOLIDS, AUTOLYZED YEAST, TORULA YEAST, ARTIFICIAL FLAVOR), CORN STARCH, DEHYDRATED GARLIC, DEHYDRATED ONION, SOY LECITHIN, NATURAL FLAVOR, XANTHAN GUM, SPICES, MALTODEXTRIN, SODIUM CASEINATE, DIPOTASSIUM PHOSPHATE, MONO & DIGLYCERIDES ANNATTO EXTRACT (COLOR), PAPRIKA EXTRACT (COLOR), YELLOW NO. 5, SOYBEAN OIL, AND LESS THAN 2% SILICON DIOXIDE ADDED AS AN ANTI-CAKING AGENT. FRESHNESS PRESERVED BY SODIUM BISULFITE.

Check Idahoan® Au Gratin Homestyle Potato Casserole 4.94 Oz. Box against your own diets in the app.

What is a Low FODMAP diet?

A Low FODMAP diet limits foods high in certain short-chain carbohydrates (FODMAPs) that can be poorly absorbed in the gut. These include specific sugars found in foods like onions, garlic, beans, apples, and wheat. It's commonly followed by people with irritable bowel syndrome (IBS) or other digestive sensitivities to reduce bloating, gas, and discomfort. The diet typically involves an elimination phase, followed by gradual reintroduction to identify personal triggers. When followed carefully, often with a dietitian's guidance, a Low FODMAP diet can help manage symptoms while maintaining a balanced and varied intake of nutrients.

Where to buy

Idahoan® Au Gratin Homestyle Potato Casserole 4.94 Oz. Box is available at 8 retailers

AmazonH-E-BIGAKrogerMariano'sPick 'n SaveThe Fresh GrocerUnited Supermarkets

About this product

Vegetable · Dried

Flavor
SavoryButterySaltyRich
Texture
CreamySoftTender
Commonly used for
Side DishMeal PrepCooking