Gluten-Free Seasoning: What’s Safe, What to Check, and Blends to Make

Plain, single-ingredient spices are gluten-free. Blends are where trouble can hide, through an anti-caking agent, a filler or cross-contact at the factory. The most dependable way to get gluten-free seasoning is to read the label every time, skip bulk bins, and mix your own from single spices. This guide covers all three, with taco, fajita and ranch mixes you can make tonight and the soy-free swaps that go with them.

Recommendations

• Raw, single-ingredient spices and herbs are gluten-free. Blends can contain additives such as wheat starch, so check them.
• Look for a “gluten-free” claim on the package. Under the FDA rule, that means less than 20 parts per million of gluten.
• Avoid bulk-bin spices. Shared scoops make cross-contact likely.
• Homemade mixes give you control: taco, fajita and ranch all come together from pantry spices in about five minutes.
• For soy-free blends, read for soy sauce, tamari, miso and hydrolyzed soy protein, and skip those ingredients.

Table of Contents

• Are spices gluten-free?
• How to read a seasoning label
• A quick guide by seasoning type
• Gluten-free taco seasoning
• Gluten-free fajita seasoning
• Gluten-free ranch seasoning
• Soy-free seasoning blends
• Keeping your kitchen gluten-free too
• Storing homemade blends
• Our perspective: gluten-free cooking should not feel like a compromise
• Get blends without the guesswork
• FAQ
• Sources

Are spices gluten-free?

Mostly yes, and the reasoning is simple. Raw, single-ingredient spices and herbs made from plants are gluten-free. Cumin seed, ground black pepper, paprika, dried oregano and garlic powder start as plants with no wheat, barley or rye in them.

The same source explains where blends differ. A seasoning mix combines several spices and herbs and sometimes includes an anti-caking agent, and in rare cases that agent is wheat starch. That is the whole risk in one sentence: it is not the spice, it is whatever else went into the jar.

There is also a second route to gluten that has nothing to do with ingredients. A spice can pick up gluten from a grinder, a scoop or a packing line shared with wheat products. That is cross-contact, and it is why “the ingredient list looks fine” is not always the end of the check.

How to read a seasoning label

A label check takes under a minute once you know the order to follow.

1. Look for a gluten-free claim. When a manufacturer puts “gluten-free” on a package, the FDA rule requires the food to contain less than 20 ppm of gluten. The claim is voluntary, so a missing claim does not mean gluten is present. It means you need to read further.
2. Scan the ingredients for wheat, barley and rye. For people with celiac disease, BeyondCeliac advises reading seasoning-mix labels for those three grains.
3. Check the allergen statement. FDA rules require major allergens, including wheat and soy, to be named in plain English when they are an ingredient or derived from one. Note that wheat is only one of the gluten grains, so barley and rye still need an ingredient-list read.
4. Call the maker if you are unsure. If a brand’s label leaves you with questions, contact the manufacturer. A good company can tell you about its lines and facility.
5. Repeat it every purchase. Ingredients and manufacturing processes can change without warning, so the jar you trusted last year deserves a glance this year.

Ingredients that look scary but usually are not

Some ingredients make people nervous. MSG is a common one. The National Celiac Association notes that MSG is generally recognized as safe, wheat starch does not appear to be a starting material for it, and reported sensitivity reactions are unrelated to gluten. Whether you want MSG in your food is a taste and comfort decision, not a gluten one.

Skip the bulk bin

The bulk spice aisle looks thrifty and is the riskiest place to buy. Celiac organizations and experts warn against buying spices from bulk bins because shared scoops and nearby gluten-containing items raise the risk of cross-contact. Buy sealed, labeled jars instead.

A quick guide by seasoning type

People search for gluten-free taco, fajita, ranch and cajun mixes more than for spices in general, so here is how each tends to behave.

The pattern is clear: the more ingredients a mix has, and the more it is made to be powdery and free-flowing, the more reason to check it.

Gluten-free taco seasoning

Taco seasoning is the most searched gluten-free blend, and packets are the usual culprit because some use starch to thicken the sauce. Making it yourself is the simplest answer.

The Mayo Clinic publishes a recipe that is naturally gluten-free: 3 tablespoons chili powder, 5 teaspoons paprika, 4½ teaspoons cumin, 1 tablespoon onion powder, ½ teaspoon garlic powder, ½ teaspoon salt and 2 tablespoons corn starch. It divides evenly among four airtight containers, so one session stocks you for several taco nights.

Two practical notes. First, if you use corn starch, buy one labeled gluten-free, because starches are a place where cross-contact happens. Second, you can skip the starch entirely. The mix will season well, and the sauce will simply be thinner. If you want a version you can tune to your heat level, see our taco seasoning blend.

Gluten-free fajita seasoning

Fajita seasoning is taco seasoning’s close cousin, with more garlic and a little oregano. Here is the ratio we reach for as a starting point, and every spice in it should come from a sealed jar that is labeled gluten-free or has a clean ingredient list:

• 1 tablespoon chili powder
• 1 tablespoon ground cumin
• 2 teaspoons paprika
• 1 teaspoon garlic powder
• 1 teaspoon onion powder
• 1 teaspoon dried oregano
• ½ teaspoon salt
• ¼ to ½ teaspoon cayenne, to taste

This makes enough for about a pound and a half of sliced chicken, steak or vegetables. Toss the protein and peppers with oil and the mix before cooking, so the spices coat evenly and bloom in the heat. Add salt last, since salt content varies a lot between brands and is the easiest thing to overshoot.

Gluten-free ranch seasoning

Ranch is a dry herb blend before it becomes a dressing, which makes it easy to keep clean. A workable base is:

• 2 tablespoons dried parsley
• 1 teaspoon dried dill
• 1 tablespoon dried chives
• 2 teaspoons garlic powder
• 2 teaspoons onion powder
• 2 teaspoons dried minced onion
• 1 teaspoon salt
• 1 teaspoon black pepper

Shake it in a jar. For dip or dressing, stir about 1 tablespoon into a cup of sour cream, Greek yogurt or buttermilk-and-mayo base, then rest it in the fridge for 30 minutes so the dried herbs soften. The dairy products matter here: check that any buttermilk or mayonnaise you use carries no gluten-containing additive, and if you want a dairy-free version, use a plain non-dairy yogurt you have read the label of.

Ranch is also excellent dry, shaken over roasted potatoes, popcorn or chicken wings.

Soy-free seasoning blends

People who avoid gluten often avoid soy too, and the two overlap more than you would expect in sauce-style seasonings. Dry spices themselves are not the issue. The risk sits in ingredients added for savoriness.

When you read a label, look for soy sauce, tamari, miso and hydrolyzed soy protein. Because FDA rules require soy to be identified on packaged foods, it will be named if it is there. Two details help:

• Highly refined soybean oil is exempt from allergen labeling, because studies indicate most people with soy allergy can safely consume it. If you are managing a soy allergy, ask your allergist whether that applies to you.
• Ingredients that are not major allergens are not flagged. For those, call the food company to ask.

The taco, fajita and ranch mixes above are soy-free as written, because they are just dried spices, herbs and salt. That is a quiet advantage of homemade: no soy-based flavor enhancers, no mystery “natural flavors.” For a Louisiana-style option, our Cajun seasoning blend follows the same logic of paprika, garlic, onion and herbs.

Keeping your kitchen gluten-free too

A gluten-free blend can be undone by a gluten-dusted counter. The Celiac Disease Foundation advises washing pots, pans, utensils, workspaces and countertops with hot soapy water before bringing out gluten-free foods. The same guidance stresses that you do not need a sterile kitchen, just the careful cleaning you would use to prevent bacterial cross-contamination.

For spices specifically:

• Use a clean, dry spoon every time, not the one that just stirred a flour-thickened sauce.
• Keep a dedicated shaker for your gluten-free mix if others in the house cook with wheat.
• Do not dip back into a jar with a hand that just touched bread.

One more point from celiac guidance: naturally gluten-free grains and flours can touch gluten during manufacturing, so look for “gluten-free” on them. That applies to corn starch, arrowroot and similar thickeners in your blends.

Storing homemade blends

Store blends in a cool, dry, dark place away from the oven, stovetop, microwave and dishwasher, and write the date on each container. North Dakota State University Extension says ground spices are best used within 2 to 3 years and whole spices within 3 to 4 years. A mix is only as fresh as its oldest ingredient, so in practice a small batch you finish within several months tastes much better than one that lingers.

The same guide recommends starting with a small amount, tasting and adding more gradually. That is good advice for any custom mix, especially cayenne and salt.

Our perspective: gluten-free cooking should not feel like a compromise

We built Spice Blends Made Easy around a simple belief: seasoning is how a meal becomes yours. Our founder is a chef from the Bahamas, and the way he cooks is the way many families do, with a pinch of this and a handful of that, tasted as you go. Comfort food should work for everyone at the table, including the person who cannot eat gluten.

That is why we think the best gluten-free seasoning is one you understand. When a blend is built from a handful of named spices, you can see every ingredient, scale it up or down, and change it when a family member’s needs change. Our approach is hand-crafted formulations, flavor profiles you choose, and batch sizes you set, so you are never stuck with a giant jar of something you do not love.

Our advice is practical. Learn the five or six spices that carry most of your cooking: chili powder, cumin, paprika, garlic, onion and oregano. Buy them sealed and labeled. Read the label every time, and call the maker when something is unclear. Then build from there.

— Robert

Get blends without the guesswork

If you would rather not hunt through the spice aisle, our Pro membership gives you unlimited access to our blend recipes and meal recipes, with ratios and measurements ready to use, plus new options each month. It is $5 per month or $40 per year, and every plan carries a 30-day money-back guarantee.

You choose the flavor profile and the batch size, then make the blend with spices you have checked yourself. That keeps the label-reading in your hands, where it belongs, while the formulas and the planning are handled. You can start from our homepage or browse the blog for more ideas, such as our Italian seasoning blend.

FAQ

What seasonings are celiac-safe?

Single-ingredient spices and herbs, such as pepper, cumin and oregano, are gluten-free by nature. For blends, choose jars labeled “gluten-free” or read the ingredient list for wheat, barley and rye, and contact the maker if you are unsure. Avoid bulk bins, where shared scoops increase the risk of cross-contact.

Is taco seasoning gluten-free?

Not always. Some packet mixes use starches or fillers, and a mix without a gluten-free claim needs a label check. A homemade blend of chili powder, cumin, paprika, garlic, onion and salt avoids the question.

Does “gluten-free” on a label mean zero gluten?

It means the food contains less than 20 parts per million of gluten and meets the FDA definition. The claim is voluntary, so some safe products will not carry it. If you have celiac disease, ask your doctor or dietitian how to apply the label to your own diet.

Are soy-free and gluten-free seasonings the same thing?

No. Soy sauce, for example, is a common source of both wheat and soy, but a seasoning can be free of one and not the other. Read for wheat, barley and rye on one pass and for soy sauce, tamari, miso and hydrolyzed soy protein on another.

Sources

• Which Spices, Seasonings and Herbs are Gluten-Free? (BeyondCeliac)
• 10 Fast Facts About the FDA Gluten-Free Labeling Rule (Celiac Disease Foundation)
• Food labeling guide (Celiac Disease Foundation, 2023)
• Managing Celiac Disease in Learning Environments (Celiac Disease Foundation, 2024)
• Ingredients People Question (National Celiac Association)
• Tips for Avoiding Your Allergen (FoodAllergy.org)
• Food Additives and Allergies/Intolerances (FoodAllergy.org)
• How to Read Food Labels if You Have Food Allergies (FARE)
• How to Read a Food Label (FoodAllergy.org)
• Taco seasoning mix (Mayo Clinic)
• Pinchin’ Pennies in the Kitchen: Do It Yourself Spice Mixes (NDSU Extension)

Recommended

• Simple Italian Seasoning Blend
• Mediterranean Seasoning Blend
• Taco Seasoning Recipe for Taco Night
• Easy Cajun Seasoning Blend