Grits are made from corn, which is naturally gluten-free, so plain corn grits are safe for people with celiac disease.
Yes. Grits are ground corn (or hominy, which is treated corn), and corn contains no wheat, barley, or rye, so plain grits are naturally gluten-free. The two things to watch are cross-contamination, because corn is often milled in facilities that also handle wheat, and instant or flavored grits that add seasonings or cheese powders. Choose grits labeled gluten-free, and skip flavored instant packets unless they say gluten-free.
Grits are a Southern breakfast staple, and good news for anyone eating gluten-free, because they start as nothing but ground corn. Corn is naturally gluten-free, so plain grits belong on your safe list.
The nuance is in the milling and the mix-ins. Corn is frequently processed alongside wheat, and instant grits often come pre-seasoned. Here’s how to enjoy grits without the gluten guesswork.
Why Corn Grits Are Gluten-Free
Grits are made by grinding dried corn; hominy grits use corn that’s been soaked in an alkaline solution first. Either way, the base grain is corn (maize), which the Celiac Disease Foundation lists among naturally gluten-free grains. There’s no wheat, barley, or rye in plain grits.
Under the FDA’s gluten-free labeling rule (21 CFR 101.91), only wheat, barley, and rye (and their crosses) are gluten-containing grains, and a “gluten-free” food must test below 20 parts per million of gluten. Plain corn grits are naturally below that line, the real-world question is whether they were milled or packaged near wheat, which is why a certified gluten-free label matters.
Where Grits Can Go Wrong
The corn is safe; these are the situations that introduce gluten:
- Cross-contact at the mill: corn is often ground in facilities that also process wheat; a gluten-free label is your safeguard.
- Instant and flavored packets: added cheese powders, bacon flavor, or seasonings can contain wheat or malt.
- Restaurant grits: may be made on shared equipment or finished with non-gluten-free add-ins.
- “Stone-ground” artisan grits: small mills often handle multiple grains; “artisan” is not the same as gluten-free.
Cross-Contamination Risk
- Corn is naturally gluten-free, but corn mills often also process wheat.
- Certified gluten-free brands (such as Bob’s Red Mill corn grits) test to confirm safety.
- Plain grits without a GF label carry a real cross-contact risk.
- Diner grits may be made on shared equipment or finished with non-GF add-ins.
- Cheese grits and “loaded” grits add ingredients that need checking.
- Ask whether anything besides corn, water, butter, and salt goes in.
- Plain certified GF grits cooked at home are very low risk.
- Add your own butter, cheese, or shrimp that you know are gluten-free.
- Keep the bag sealed and away from wheat flour.
Grits: Which Ones Are Safe
Plain corn grits are simple; the format and flavoring decide how careful you need to be.
| Type of Grits | Gluten-Free Status | What to Check |
|---|---|---|
| Plain corn or hominy grits (certified GF) | ✓ Gluten-free | Look for the certified GF label |
| Plain corn grits (no GF label) | ⚠ Likely GF, but verify | Risk of cross-contact at the mill |
| Stone-ground / artisan grits | ⚠ Check the source | Small mills may share equipment with wheat |
| Instant or flavored grits | ⚠ Check the label | Cheese/bacon seasonings may contain wheat or malt |
| Restaurant cheese or “loaded” grits | ⚠ Ask first | Add-ins and shared prep can introduce gluten |
What to Look For or Avoid
- A certified gluten-free label on the bag
- Corn or hominy as the only grain
- Plain grits you season yourself
- Restaurant grits confirmed to be just corn, butter, and cheese you trust
- Wheat, malt, or barley in flavored or instant varieties
- “Stone-ground” or “artisan” with no gluten-free label
Frequently Asked Questions
Quick answers to the questions people ask most about grits and gluten. The short version: corn grits are naturally gluten-free, buy them certified and skip flavored instant packets.
Are grits gluten-free?
Yes. Grits are made from corn (or hominy, which is treated corn), and corn is naturally gluten-free with no wheat, barley, or rye. Plain grits are safe for people with celiac disease. The main cautions are cross-contamination at corn mills that also handle wheat, and flavored instant grits with added seasonings, so choose a certified gluten-free product.
Are corn grits and hominy grits both gluten-free?
Yes. Both are made from corn, hominy grits simply use corn that’s been soaked in an alkaline solution (nixtamalized) first. Neither contains gluten grains. The corn base is naturally gluten-free in both cases; just watch for cross-contact and added flavorings.
Are Quaker grits gluten-free?
Quaker does not label its instant grits as gluten-free, and Quaker oats and grits are produced in facilities that handle wheat. If you have celiac disease, choose a brand that is certified gluten-free, such as Bob’s Red Mill corn grits, rather than relying on the corn ingredient alone.
Are instant grits gluten-free?
Plain instant grits may be gluten-free, but flavored instant packets often add cheese powders, bacon flavor, or seasonings that can contain wheat or malt. Always read the ingredient list and look for a gluten-free label, especially on flavored varieties.
Why do plain corn grits sometimes warn about wheat?
Because corn is frequently milled in the same facilities as wheat, plain grits can be exposed to gluten through cross-contact even though corn itself is safe. That’s why manufacturers add shared-facility warnings, and why a certified gluten-free label is the most reliable signal for celiacs.
Are cheese grits gluten-free?
They can be, if the grits are gluten-free and the cheese and any add-ins are too. The risk is in restaurant versions or boxed cheese-grits mixes, where seasonings or thickeners may contain gluten. Made at home with certified gluten-free grits and real cheese, cheese grits are a safe, comforting dish.
Can people with celiac disease eat grits?
Yes. Plain corn grits are a naturally gluten-free comfort food and a good celiac-safe breakfast. Buy a certified gluten-free brand to rule out cross-contact, prepare them with ingredients you trust, and be cautious with flavored instant packets and restaurant grits with mystery add-ins.