Easy Homemade Seed Crackers (Shatteringly Thin & Crispy)

May 12, 2026 Ellen 0 Comments

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Easy Homemade Thin & Crispy Seed Crackers

The Crispiest Seed Crackers You’ll Ever Make (Sorry, Store-Bought)

Listen, I’ve eaten my fair share of artisan seed crackers from fancy grocery stores, and while my wallet has feelings about it, my taste buds have opinions. Mainly: why am I paying $9 for a tiny box when I can make a giant tray of better ones at home in under an hour? (That’s 5 minutes of actual prep time and the rest is baking in the oven time.)

Enter: the seed cracker recipe of your dreams. Thin, light, airy, and so crispy they practically shatter when you bite them. These are the crackers cheese boards write love letters to.

Why You’ll Be Obsessed

Texture goals: Thin, crispy, light, airy — basically every adjective you want in a cracker.
One bowl, no mixer, no fuss. Your dishwasher will thank you.
Naturally gluten-free thanks to the all-star seed lineup.
Endlessly customizable. Spice-cabinet rebels, this one’s for you.
Cheaper than the bougie store version, and you can pronounce every ingredient.

The Seed Squad (Ingredients)

Here’s what’s going into the bowl:

White and black sesame seeds – nutty, toasty, and pretty in the pan
Raw pumpkin seeds (pepitas) – for that satisfying crunch
Sunflower seeds – mild, buttery little flavor bombs
Whole flax seeds, freshly ground – I grind mine for max freshness, but store-bought ground flax works perfectly fine (no judgment here)
Psylluim husk – the all natural binder that holds all the seeds together to form a sturdy cracker
Onion powder + garlic powder – the dynamic duo of savory
Salt – non-negotiable
Dried rosemary – woodsy, fragrant, chef’s kiss
Sesame Garlic Crunch seasoning from Whole Foods – my secret weapon, but everything bagel seasoning makes a fantastic stand-in
Olive oil – richness and crispness in one
Boiling water – the magic that brings it all together

What’s in the seed crackers

ground flax seeds
black & white sesame seeds
pumpkin seeds
sunflower seeds
olive oil
garlic granules
onion powder
dried rosemary
salt
sesame garlic mix

Ingredients for thin and crispy seed crackers

Thin & Crispy Seed Crackers

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Thin, crispy, and crazy-addictive seed crackers made with a mix of sesame, pumpkin, sunflower, and flax seeds. Seasoned with garlic, onion, rosemary, and a punchy sesame-garlic crunch (or everything bagel seasoning). One bowl, no rolling pin required — just mix, press thin between parchment, and bake into shatter-crisp perfection.

Author: Ellen
Method: Baking

Ingredients

Units Scale

1/4 cup sesame seeds (mix of white and black)
1/4 cup raw pumpkin seeds
1/4 cup sunflower seeds
1/4 cup ground flax seeds
1 tablespoon psyllium husk
1 teaspoon salt
1 teaspoon onion powder
1 teaspoon garlic powder
1 teaspoon dried rosemary
1 1/2 tablespoons extra virgin olive oil
2/3 cup boiling water

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Instructions

Preheat oven to 300°F. Line a half sheet sized baking sheet (13″x18″) with parchment paper and prepare an extra sheet of parchment paper about the same size. (This recipe is specifically for a baking sheet of this size. If you change the proportions on the ingredients, that will change the thinness and texture of these crackers.)
Combine sesame seeds, pumpkin seeds, sunflower seeds, ground flax seeds, psyllium husk, salt, onion powder, garlic granules, and dried rosemary. Mix that all together. Add olive oil and boiling water and mix until it forms a paste like mixture. Let that sit for 2 minutes.
Transfer the seed mixture onto your lined baking sheet. Place the extra parchment paper on top of the seed mixture and use your hands to spread the mixture into an even flat layer. You should be able to spread this mixture across the whole baking sheet, leaving about 1/4 inch of space along all the edges.
Bake for 45 minutes. If you would like to cut these crackers in even sized pieces, take the pan out halfway through baking and cut them in your preferred shape and size. Return the pan into the oven and continue to bake until the timer is done. Alternately, you can bake it without cutting them halfway through baking and break them up into uneven, jagged-edged pieces.
Store them in an airtight container for up to 2 weeks.

Equipment

baking sheets

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❓ Frequently Asked Questions: Multi-Seed Crackers

Are seed crackers healthy?

Short answer: heck yes. Seed crackers are loaded with fiber, healthy fats, plant-based protein, and a buffet of nutrients like magnesium, zinc, and omega-3s (thanks, flax seeds!). They’re naturally gluten-free, low in carbs, and free from the mystery ingredients you’ll find on the back of most cracker boxes. Basically, they’re the snack equivalent of getting your life together.

Are these seed crackers gluten-free?

Yes! Every ingredient in this recipe is naturally gluten-free. Just double-check that your seasonings (especially blends like everything bagel or sesame garlic crunch) are certified gluten-free if you’re cooking for someone with celiac disease — some brands sneak in additives.

Are seed crackers keto-friendly and low-carb?

Absolutely. With seeds doing all the heavy lifting (no flour in sight), these crackers are naturally low in net carbs and high in healthy fats — making them a dream snack for keto, low-carb, paleo, and grain-free diets.

Can I use store-bought ground flax instead of grinding my own?

100% yes. Freshly ground flax has a slight flavor edge (and feels very I-have-my-life-together), but pre-ground flaxseed meal works perfectly and saves you a step. Use the same amount either way.

Why is ground flax so important in this recipe?

Ground flax is the unsung hero here — it absorbs the boiling water and creates a gel that binds everything together without needing eggs or flour. Whole flax seeds alone won’t do the trick, so make sure at least part of your flax is ground.

Why do I use boiling water instead of room temperature?

Boiling water activates the flax’s gel-like binding power faster and helps the seeds absorb moisture evenly. Cold water will technically work, but you’ll be waiting around like it’s dial-up internet in 1998. (What was your AOL name?)

How do I get my seed crackers extra thin and crispy?

Two words: press harder. Place a second sheet of parchment on top of your mixture and use your hands (or a flat-bottomed pan) to spread it as thin and even as possible. The thinner you go, the crispier and more shatter-worthy the result. Uneven spots = soggy spots, so even it out edge to edge.

Why did my crackers turn out soft or chewy?

A few likely culprits:
Too thick. Roll/press them thinner next time.
Underbaked. They should be deeply golden and feel firm when you tap them.
Not cooled fully. Crackers crisp up dramatically as they cool, so resist the urge to taste-test straight from the oven (I know, I know).

Can I make these without olive oil?

Yes — avocado oil or any neutral oil will work. The oil adds richness and helps with crisping, so I wouldn’t skip it entirely.

What seasonings can I use instead of sesame garlic crunch?

So many options! Try:
-Everything bagel seasoning (the obvious MVP swap)
-Za’atar for a Middle Eastern twist
-Italian seasoning for herby vibes
-Cumin + cayenne for a smoky, spicy kick
-Smoked paprika + garlic for BBQ energy
-Furikake for a Japanese-inspired version

Can I add other seeds to this recipe?

Go wild. Chia seeds, hemp hearts, poppy seeds, and even chopped nuts (think slivered almonds or chopped walnuts) all play nicely. Just keep the total seed-to-liquid ratio roughly the same so the binding still works. If adding chia seeds, mix the chia seeds after you mix in the boiling water, right before you spread the mixture on to the baking sheet. You don’t want to allow the chia seeds to absorb the water and turn gel-like before it has a chance to toast up in the oven.

How do I store homemade seed crackers?

Store fully cooled crackers in an airtight container at room temperature for up to 2 weeks. If they start to lose their crunch, pop them back in a 300°F oven for 5 minutes to re-crisp. (Spoiler: they probably won’t last that long.)

Can I double the recipe?

Yes — just bake on two separate sheet pans rather than piling everything onto one. Overcrowding = steaming, and steaming = sad, soft crackers. Rotate the pans halfway through for even browning.