Spicy Sourdough Cheez-Its Jalapeño

Last summer, I was standing in my kitchen with a container of sourdough discard that I'd neglected for weeks, wondering what on earth to do with it besides toss it. My neighbor had just dropped off fresh jalapeños from her garden, and I had a hunch that tangy fermented dough mixed with sharp cheddar and heat might become something worth obsessing over. Three batches later, I'd created these crackers, and they've been my go-to snack ever since.

I made these for a casual dinner party once, not thinking much of them, but watched as my friends ate nearly the entire batch while we talked around the kitchen island. One person actually asked if I'd bought them from somewhere fancy, which made me laugh because the magic really is just good ingredients treated with care and the kind of patience that comes from wanting to use up what's already in your fridge.

Ingredients

• Sharp cheddar cheese, finely shredded (1 cup, 110 g): The sharpness cuts through the richness and gives these crackers their backbone; room temperature shredding keeps clumps from forming.
• Unsalted butter, softened (2 tbsp, 28 g): Softened butter blends into the dough smoothly without overworking it, keeping crackers tender rather than tough.
• Sourdough discard, unfed starter (1/2 cup, 120 g): This is where the tangy flavor and slight fermentation magic happen; use it at room temperature for best results.
• Small jalapeño, seeded and finely minced (1): Mincing it fine distributes heat evenly; remove seeds for mild heat or keep some for genuine kick.
• Smoked paprika (1/2 tsp): The smokiness adds depth that plain paprika never could; it's worth buying the good stuff.
• Garlic powder (1/4 tsp): Just enough to whisper in the background without overwhelming the cheese and jalapeño.
• Onion powder (1/4 tsp): Another whisper of umami that makes people wonder what the secret ingredient is.
• Kosher salt, divided (1/2 tsp plus more for sprinkling): Half goes in the dough for flavor, the rest tops the crackers for that satisfying salty crunch.
• Ground black pepper (1/4 tsp): Fresh-ground makes all the difference here; it adds bite that complements the heat.
• All-purpose flour (3/4 cup, 90 g): Measured by weight for consistency; this amount keeps the dough tender and prevents overworking.

Instructions

Bring your ingredients together:

In a mixing bowl, combine your shredded cheddar, softened butter, and sourdough discard, stirring until they're just combined and starting to look like a rough paste. Don't overthink this step; you're just introducing them to each other.

Layer in the heat and flavor:

Add your minced jalapeño, smoked paprika, garlic powder, onion powder, salt, and black pepper, stirring until everything is evenly distributed and the dough takes on a subtle orange hue from the paprika. This is when your kitchen starts smelling amazing.

Bring dough to life:

Gradually add your flour while mixing, working it in until a soft dough forms that holds together but isn't sticky; if it feels tacky, sprinkle in up to 2 extra tablespoons of flour one at a time. The goal is a dough that feels like soft clay, not wet and not dry.

Chill for patience:

Flatten your dough into a disc, wrap it tightly in plastic wrap, and refrigerate for 30 minutes; this rest allows the flavors to meld and makes the dough much easier to roll out without sticking.

Heat your oven:

While your dough chills, preheat your oven to 350°F (175°C) and line a baking sheet with parchment paper, giving yourself a clean stage for baking.

Roll thin and even:

On a lightly floured surface, use a rolling pin to coax your dough to 1/8-inch thickness, rotating it as you go to keep thickness consistent; you want them thin enough to be crispy, not thick and chewy.

Cut into crackers:

Using a sharp knife or pizza cutter, cut your dough into 1-inch squares, wiping your blade occasionally to prevent sticking; transfer them to your prepared baking sheet with just a little space between each one.

Create the signature look:

Using a skewer or toothpick, poke a small hole in the center of each cracker; this isn't just for looks, it helps them bake evenly and gives them that classic appearance.

Add the finishing salt:

Lightly sprinkle the tops with additional kosher salt, which will toast slightly during baking and add a satisfying crunch.

Bake to golden perfection:

Bake for 16 to 18 minutes, rotating the pan halfway through to ensure even browning, until the crackers are deep golden and crispy throughout. They'll continue to crisp slightly as they cool.

Cool completely:

Transfer your baked crackers to a wire rack and let them cool completely before storing; they need this time to set up fully and achieve maximum crispness.

Save

There's something deeply satisfying about transforming something you were about to discard into something people actually fight over. That's the real magic of these crackers, and it reminds me why I fell in love with sourdough baking in the first place.

The Sourdough Advantage

Using sourdough discard instead of just flour adds a subtle fermented tang that somehow makes these crackers taste more sophisticated than they should, given how simple they are. The wild yeast and bacteria in your starter have already done the flavor work for you; you're just leveraging that natural complexity. I've made these with regular flour and water, and they're fine, but they're missing that layered taste that makes people ask for the recipe.

Playing With Heat Levels

The amount of jalapeño heat you get depends entirely on how adventurous you're feeling and who you're feeding. For a mild version that doesn't intimidate anyone, seed your jalapeños thoroughly and use the full amount. If you want genuine kick, leave some seeds in or substitute the smoked paprika with chipotle powder for a deeper, smokier heat that builds as you eat.

Storage and Serving Ideas

These crackers stay crispy in an airtight container for up to a week, though they rarely last that long in my house. They're perfect with creamy dips like whipped feta or herbed cream cheese, alongside a bowl of soup, or honestly just eaten straight from the container while standing in front of the fridge. The flavor is bold enough that they don't need much accompaniment, but they're also versatile enough to work with almost anything.

• Make them ahead of time for parties and store them in an airtight tin so they stay crispy until serving.
• If they ever soften up, you can re-crisp them in a 300°F oven for about 5 minutes.
• Double the batch and freeze half of the unbaked dough discs for spontaneous snacking whenever the craving hits.

Save

These crackers prove that the best snacks often come from curiosity and a bit of kitchen improvisation. Once you've made them, you'll find yourself thinking of new flavor combinations to try.

Recipe FAQs

→ How can I adjust the heat level of these crackers?

To increase spiciness, include some jalapeño seeds or add more minced jalapeño. For milder flavor, omit seeds and reduce jalapeño quantity.

→ Can smoked paprika be substituted?

Yes, chipotle powder works well as a substitute, adding a deeper smoky flavor to the crackers.

→ What is the best way to store these crackers?

Keep them in an airtight container once cooled completely to maintain crispness for up to a week.

→ Why do the crackers need to chill before baking?

Chilling firms the dough, making it easier to roll out and helping the crackers hold their shape during baking.

→ What utensil is recommended to cut the dough?

A sharp knife or pizza cutter ensures clean, even cuts for uniform cracker squares.