Homemade Gluten Free Onion Soup Mix Recipe

Skip store-bought packets and create your own gluten-free onion soup mix in just five minutes with this simple recipe.

Why You’ll Love this Homemade Gluten Free Onion Soup Mix

When you’re dealing with gluten sensitivities or celiac disease, finding convenient seasoning mixes can feel like searching for a needle in a haystack.

That’s exactly why I’m obsessed with this homemade version — you control every single ingredient. No mysterious additives or sneaky wheat fillers hiding in the fine print. Just pure, concentrated onion flavor that transforms everything from roasted vegetables to creamy dips.

Plus, it takes literally five minutes to whip up and costs a fraction of store-bought packets. I always keep a jar handy because it’s become my secret weapon for instant flavor without the gluten worry.

Ingredients for Homemade Gluten Free Onion Soup Mix

The beauty of this mix lies in its simplicity — just eight pantry staples that come together to create something way more complex than the sum of its parts.

I love how each ingredient plays a specific role, from the dried onion flakes that give you those satisfying little bursts of concentrated flavor to the maple sugar that adds just enough sweetness to balance everything out.

  • 1 cup (90 g) dried onion flakes
  • 4 tsp (8 g) onion powder
  • 2 tsp (4 g) garlic powder
  • 2 tsp (10 g) sea salt
  • 2 tsp (8 g) maple sugar
  • 2 tsp (2 g) parsley flakes
  • 1 tsp (2 g) black pepper
  • ½ tsp (1 g) turmeric

Most of these ingredients are probably already hanging out in your spice cabinet, which makes this mix even more genius. The maple sugar might be the only wildcard here — if you can’t find it, you can swap in coconut sugar or even regular brown sugar in a pinch.

Just make sure your onion flakes are nice and dry, not those slightly chewy ones that have been sitting around forever. The turmeric isn’t just there for show either — it gives the mix that beautiful golden color that makes everything look more appetizing.

And yes, I always go a little heavy on the garlic powder because, well, garlic makes everything better.

How to Make this Homemade Gluten Free Onion Soup Mix

homemade gluten free onion soup mix

Making this onion soup mix is honestly the easiest thing you’ll do all week — we’re talking maybe five minutes from start to finish.

Just grab a medium-sized bowl and dump in your 1 cup (90 g) dried onion flakes, followed by 4 teaspoons (8 g) onion powder, 2 teaspoons (4 g) garlic powder, 2 teaspoons (10 g) sea salt, 2 teaspoons (8 g) maple sugar, 2 teaspoons (2 g) parsley flakes, 1 teaspoon (2 g) black pepper, and ½ teaspoon (1 g) turmeric.

I like to add the smaller spice amounts first, then the onion flakes on top — it makes mixing way easier and you won’t end up with random pockets of turmeric hiding at the bottom.

Now comes the fun part: mixing everything together until it looks like one cohesive blend.

I usually use a whisk or just a regular spoon, giving it a good stir until I can’t see any separate ingredients anymore. The mix should look golden and smell absolutely incredible — if you’re not tempted to sprinkle it on everything in sight, you probably need to mix a little more.

Once it’s all combined, transfer the whole batch to an airtight container or a pint-sized mason jar. Label it with the date because trust me, you’ll forget when you made it, and this stuff stays good for months when stored properly in a cool, dry spot.

This homemade mix pairs perfectly with fresh bread from a gluten free bread maker, giving you complete control over every ingredient in your meal.

Substitutions & Variations

Although this mix works beautifully as written, I’m all about tweaking recipes to match what’s sitting in your pantry or your taste preferences.

Swap maple sugar for brown sugar or coconut sugar — both add that subtle sweetness. No dried parsley? Skip it entirely or toss in some dried chives instead.

I sometimes double the garlic powder because I’m garlic-obsessed like that. For extra depth, add a pinch of smoked paprika or dried thyme.

If you’re watching sodium, cut the salt in half and taste-test your finished dishes as you go.

What to Serve with Homemade Gluten Free Onion Soup Mix

Once you’ve got this versatile mix ready to go, you’ll want to put it to work in ways that’ll make your taste buds do a little happy dance.

I love stirring a packet into sour cream for the ultimate chip dip – it’s ridiculously good with potato chips or fresh veggies.

The mix also transforms boring roasted potatoes into something magical. Just toss quartered potatoes with olive oil and a generous sprinkle before roasting until golden.

Meatloaf gets a serious flavor boost too, and don’t even get me started on how amazing it makes homemade gravy taste.

Final Thoughts

Three ingredients that cost pennies, five minutes of your time, and you’ve got yourself a pantry staple that’ll outlast most store-bought versions by miles.

This gluten-free onion soup mix transforms everything from weeknight dips to Sunday pot roasts without any mysterious additives or gluten lurking around.

I love knowing exactly what’s going into my food, and this blend delivers that peace of mind with serious flavor punch.

Keep a jar on hand, and you’ll wonder why you ever bought those little packets.

Simple ingredients, big results—that’s cooking I can get behind.