Corned Beef

Why corned beef is rated low

Corned beef is low FODMAP. It is beef cured in a salt brine, which leaves mostly protein and fat with almost no carbohydrate. Its rating is estimated from what it is made of rather than from a measured serving, and it sits low at Any typical portion, the only rung on its ladder. That covers an ordinary serving of plainly cured beef, not an unlimited amount. The catch with corned beef is everything that tends to come with it: seasoning packets, hash, rye bread and sandwich dressings.

What changes your risk

• The brine and spice packet Some cures and the seasoning packets sold with uncooked corned beef include garlic or onion. Read the ingredient list, since a plainly cured cut is the version the low rating describes.
• The cooking pot Corned beef is often simmered with onion and then the potatoes and carrots are cooked in the same liquid. The onion's FODMAPs are water-soluble and move into that liquid, so the vegetables pick them up too.
• Corned beef hash Hash mixes the beef with potato and almost always onion. The onion is what changes the dish, not the beef.
• Sandwiches A classic corned beef sandwich sits on rye bread, which is high FODMAP at ordinary servings, and is often dressed with a sauce that contains onion. That stacks two FODMAP sources onto one plate.
• Canned and deli corned beef Some versions add flavourings beyond salt. Check the label for onion, garlic or a generic seasoning blend.

What else works

Plain roast beef and plain cooked brisket are similar low options for the same role. The lookalikes to be careful with are corned beef hash, ready-made corned beef sandwiches on rye, and cured meats such as pastrami that are often rubbed with garlic. For a sandwich, use traditional sourdough spelt or gluten free bread with Swiss cheese, and skip dressings that list onion. For the classic boiled dinner, potatoes and carrots are low FODMAP sides that fit naturally.

How to keep it low

When buying uncooked corned beef, check both the brine and the spice packet for garlic or onion, and leave the packet out if it lists them. Simmer the beef gently in plain water with peppercorns and bay leaves, then cook potatoes and carrots in that liquid only if no onion went into the pot. Slice it thinly against the grain. Leftovers keep well for sandwiches on low FODMAP bread or for a homemade hash fried in garlic-infused oil with the green tops of spring onions.

Common questions

is corned beef low fodmap

Yes. Plainly cured corned beef is rated low FODMAP at Any typical portion, a rating estimated from what it is made of. Check the brine and spice packet for garlic or onion.

is corned beef hash low fodmap

Usually not as made, because hash almost always includes onion. A homemade hash of corned beef and potato fried in garlic-infused oil, with the green tops of spring onions, keeps it low.

is canned corned beef low fodmap

Canned corned beef made from beef, salt and curing agents is in the same position as fresh. If the label lists onion, garlic or a seasoning blend, it is no longer the plain food the rating describes.

can i have a corned beef sandwich on a low fodmap diet

Yes, if you change the bread and the dressing. Rye bread is high FODMAP at ordinary servings, so use traditional sourdough spelt or gluten free bread, and skip any dressing made with onion.