Sourdough Black Sesame Crackers
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Finger FoodAsian-InspiredEasy

Sourdough Black Sesame Crackers

Thin, crispy crackers made from sourdough discard and studded with nutty black sesame seeds. A perfect use for starter overflow, these crackers are easy to make and have an Asian-inspired flavor with just a few ingredients. They're ideal for serving as an appetizer, snack, or alongside soups and dips.

Prep
28 min
Cook
18 min
Wait
30 min
Total
1 hr 16 min
Makes
About 50 crackers
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Steps

Before you start
  • Have your sourdough discard ready (it doesn't need to be fed or recently bubbly)
  • Preheat your oven to 375°F (190°C)
  • Line 2–3 large baking sheets with parchment paper
  • Read through the rolling and scoring steps to understand the delicate nature of the thin dough
  1. Combine and mix dough

    • In a large mixing bowl, combine the sourdough discard, whole wheat flour, black sesame seeds, olive oil, and salt.
    • Stir with a wooden spoon for about 1 minute until a shaggy dough forms.
    • If the dough feels very dry and won't come together, add water 1 tablespoon at a time (you likely won't need all of it).
    • Once the dough is cohesive, knead by hand for 2–3 minutes until smooth, evenly mixed, and slightly stiff.
    • The dough should hold together and be firm enough to handle, resembling stiff cookie dough.
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    Ready when: Dough is smooth, homogenous, and holds together

    Tip: Sourdough discard varies in moisture content; add water very gradually. Too much makes the dough sticky and hard to roll; too little makes it crumbly.

  2. Rest the dough

    • Cover the bowl with a clean kitchen towel or plastic wrap.
    • Let the dough rest at room temperature for 15 minutes.
    • This allows the flour to fully hydrate, making the dough easier to roll without tearing or springing back excessively.
  3. Cut dough into portions

    • Divide the dough into 2–3 equal portions (roughly 130–200g each, depending on whether you divide into 2 or 3 pieces).
    • Working with smaller portions makes rolling and handling much easier and gives more consistent crackers.
    • Keep unused portions covered with a towel to prevent them from drying out on the surface.
  4. Roll crackers thin

    • Take one portion and place it between two sheets of parchment paper.
    • Using a rolling pin, roll out to about 1/8 inch (3 mm) thickness.
    • Aim for even thickness throughout; the dough should be thin enough to be slightly translucent in spots but sturdy enough not to tear easily.
    • If the dough springs back and feels warm, let it rest 2–3 minutes before continuing to roll.
    • Repeat with the remaining portions, keeping each finished piece on its parchment so you can bake them in succession or simultaneously if your oven is large enough.
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    Ready when: Dough is approximately 1/8 inch thick and relatively even throughout

    Tip: Roll between parchment sheets to avoid sticking and reduce the need for flour. If dough springs back, rest it briefly rather than forcing the rolling—this prevents tough crackers.

  5. Score into cracker shapes

    • Slide one sheet of rolled dough (still on parchment) onto a baking sheet.
    • Using a knife or bench scraper, lightly score the dough into cracker-size pieces—roughly 2 × 2-inch (5 × 5 cm) squares or 2 × 3-inch (5 × 8 cm) rectangles, depending on your preference.
    • Score with light, gentle pressure; you're marking where pieces will separate, not cutting through.
    • Optionally, lightly brush the surface with sesame oil and sprinkle a few additional black sesame seeds on top for extra nuttiness and visual appeal.
    • Repeat with remaining rolled dough portions.
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    Tip: Score gently; pressing too hard will cause the thin dough to separate prematurely, creating ragged, uneven edges. Let the oven do the work of separating pieces.

  6. Bake until golden and crispyOven 375°F / 190°C

    • Place the baking sheet in a 375°F (190°C) oven.
    • Bake for 15–20 minutes, until the edges are deep golden brown and the centers feel set and crispy when pressed (not soft or chewy).
    • The crackers will still feel slightly pliable when warm but will crisp considerably as they cool.
    • Check at the 15-minute mark, as oven temperatures vary and black sesame seeds brown quickly.
    • The smaller or thinner pieces may brown faster than thicker areas—this is normal and desirable.
    • Remove from the oven when the surface is mostly an even golden color.
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    Ready when: Edges are deep golden brown; centers feel set and crispy when pressed gently

    Tip: Watch closely in the final minutes; black sesame seeds brown quickly, and burnt crackers taste bitter. If crackers are browning too fast, tent loosely with foil.

  7. Cool on sheet and break apart

    • Leave the baking sheet on the counter for 5 minutes after removing from the oven to allow the crackers to firm slightly.
    • Then carefully slide the parchment (with crackers still on it) onto a wire cooling rack or clean counter to cool completely, about 10–15 minutes.
    • The crackers will firm up and become fully crispy as they cool; they're too soft and fragile to break cleanly while still warm.
    • Once completely cool, break apart along the scored lines into individual crackers.
    • If any pieces haven't separated cleanly, a gentle tap with a knife will separate them.
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    Ready when: Crackers are completely cool and crisp throughout, with no soft spots

    Tip: Don't attempt to break crackers while warm; they'll splinter and shatter. Patience here prevents a crumbly mess and gives you intact crackers.

Good to know

Tips
  • Sourdough discard doesn't need to be freshly fed or bubbly; unfed discard works perfectly and reduces waste from your starter
  • Roll the dough as thin as you possibly can without tearing—thin crackers are crispy and delicate, while thick ones remain chewy and dense
  • If the dough springs back while rolling, let it rest 2–3 minutes before continuing; forcing the roll creates tough crackers with an unpleasant texture
  • Black sesame seeds brown quickly in the oven; watch closely in the final minutes and remove at the first sign of deep golden edges to avoid bitterness
Make ahead

Prepare the dough up to 8 hours ahead and refrigerate, covered. Bring to room temperature before rolling (about 30 minutes). Alternatively, make the finished crackers up to 3 days ahead and store in an airtight container at room temperature.

Storage & reheating

Room temperature: Store in an airtight container for up to 3 days; crackers are crispest within the first 24 hours. Freezer: Freeze baked crackers in an airtight container for up to 1 month; reheat in a 350°F (175°C) oven for 5 minutes to re-crisp. Unbaked rolled dough: Freeze scored crackers on parchment for up to 1 month; bake directly from frozen, adding 2–3 minutes to the bake time.

Substitutions
  • Black sesame seeds → White sesame seeds. Use the same amount; white sesame seeds offer a milder nuttiness and lighter color but the same texture
  • Whole wheat flour → All-purpose flour. Use the same weight (90g); the crackers will be less nutty and slightly more delicate, but texture and crispness remain excellent
  • Olive oil → Neutral oil (grapeseed, vegetable, or light sesame oil). Use the same amount; neutral oils reduce olive flavor and let the black sesame shine; light sesame oil boosts nuttiness further
  • Sourdough discard (fed or unfed) → Plain yogurt (full-fat or Greek). Use the same weight; yogurt is thicker, so reduce added water by 1–2 tablespoons. Adds tang and richness to the crackers

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