Sourdough Indian Chaat Masala and Potato Leaf Crackers
Crispy, thin sourdough crackers flavored with chaat masala spice blend, potato flakes, and tangy amchur powder. Perfect for snacking or serving alongside Indian dips and curries. Made with active sourdough discard, these crackers develop complex flavor from the fermented dough and toasted spices.
- Prep
- 15 min
- Cook
- 18 min
- Wait
- 30 min
- Total
- 1 hr 3 min
- Makes
- 24 crackers (about 8 oz / 225 g total)
Steps
Before you start
- Have active, bubbly sourdough discard at room temperature (fed within the last 4–6 hours)
- Preheat oven to 375°F (190°C) and position racks in upper and lower thirds
- Line two large baking sheets with parchment paper
Toast cumin seeds
- Heat a small dry skillet over medium heat.
- Add the cumin seeds and toast, shaking the pan occasionally, for 1–2 minutes until fragrant and slightly darkened.
- Transfer to a small plate to cool.
- Once cooled, lightly crush with the back of a spoon.
+ Show details− Hide details
Ready when: Cumin is fragrant and lightly golden
Tip: Do not over-toast; cumin burns quickly and becomes bitter
Mix dry ingredients
- In a medium bowl, combine the flour, potato flakes, chaat masala, amchur, salt, toasted crushed cumin seeds, and black salt if using.
- Whisk together until evenly distributed.
- This spice blend is the flavor foundation of the crackers.
+ Show details− Hide details
Ready when: Spices are evenly distributed throughout flour with no visible streaks
Tip: Sift if you have lumpy potato flakes or chaat masala
Combine dough
- Add the bubbly sourdough discard and neutral oil to the dry mixture.
- Stir vigorously with a spoon for 1–2 minutes until a rough, slightly sticky dough forms.
- You should see no dry pockets of flour.
- The dough will be wetter than a bread dough but should hold together.
+ Show details− Hide details
Ready when: Dough is uniform and sticky, with no dry flour remaining
Tip: Do not over-mix; you want a loose cracker dough, not a stiff bread dough
Rest dough
- Let the dough rest, uncovered, at room temperature for 30 minutes.
- This allows the sourdough discard to relax and the potato flakes to hydrate, making the dough easier to spread.
+ Show details− Hide details
Ready when: Dough is visibly relaxed and slightly more pliable
Tip: Cover lightly if your kitchen is very dry or warm, to prevent a skin from forming
Prepare baking sheets
- Divide the rested dough in half.
- Place the first half on one parchment-lined baking sheet.
- Using an offset spatula or the back of a spoon dipped in water, spread the dough as thin as possible—aim for ⅛ inch (3 mm) thickness.
- Work gently from the center outward, and fill in any gaps.
- The thinner the dough, the crispier the crackers.
+ Show details− Hide details
Ready when: Dough is spread evenly and thinly across the sheet, with no thick spots
Tip: Wetting your spatula helps it glide over the sticky dough without tearing it
Spread second batch
- Repeat with the second half of dough on the second parchment-lined baking sheet, spreading to the same thin, even thickness.
+ Show details− Hide details
Ready when: Both sheets are evenly spread with thinly layered dough
Tip: Work quickly so the first sheet does not start to dry out
Brush and score
- Lightly brush the surface of each dough sheet with finishing oil using a pastry brush or the back of a spoon.
- Using a sharp knife or pizza cutter, score the dough into rectangular or square crackers about 2 inches (5 cm) wide.
- Do not cut all the way through the parchment.
- Score in a crosshatch or grid pattern so they release easily after baking.
+ Show details− Hide details
Ready when: Dough is oiled and evenly scored into uniform pieces
Tip: If the dough has started to bubble or rise, gently deflate it before scoring
Bake first batchOven 375°F / 190°C
- Place one sheet on the upper rack and one on the lower rack of the preheated 375°F (190°C) oven.
- Bake for 18–22 minutes, switching the sheets halfway through (upper to lower, lower to upper) and rotating them 180 degrees.
- Watch carefully toward the end of baking.
+ Show details− Hide details
Ready when: Crackers are golden-brown to deep amber at the edges, crisp to the touch, and sound hollow when tapped
Tip: If one sheet is browning faster, move it to a cooler part of the oven or lower rack earlier
Cool on racks
- Remove the baking sheets from the oven and transfer them to wire cooling racks.
- Leave the crackers on the parchment paper on the sheets for 5 minutes so they firm up slightly, then gently break them along the scored lines and transfer to a wire rack to cool completely, about 10 minutes.
- Handle gently—they will be very crispy but fragile while warm.
+ Show details− Hide details
Ready when: Crackers are cool to the touch and completely crisp
Tip: Do not remove them from the parchment while hot or they will shatter unevenly
Good to know
Tips
- Sourdough discard strength varies: if your discard is very active and bubbly (fed 4–6 hours prior), the crackers will have more fermented flavor and leavening. A less active discard will produce denser, flatter crackers.
- Do not skip toasting the cumin seeds—it deepens the spice profile and prevents a raw, grassy taste.
- For extra crunch and visual appeal, sprinkle a pinch of fleur de sel or coarse sea salt on top of the dough before baking.
- These crackers pair beautifully with Indian yogurt dips (raita), curried chickpea hummus, or served alongside chaat dishes and chutneys.
Make ahead
Bake up to 3 days ahead. Store completely cooled crackers in an airtight container at room temperature.
Storage & reheating
Room temperature: in an airtight container or resealable bag for up to 3 days (crackers stay crisp if sealed well). Freezer: in an airtight container for up to 2 weeks (thaw at room temperature for 30 minutes before serving). Do not refrigerate. To recrisp: warm on a baking sheet at 325°F (160°C) for 5–8 minutes.
Substitutions
- chaat masala powder → 2 tsp ground coriander + ½ tsp ground cumin + ½ tsp dried mango powder + ¼ tsp black salt + pinch of cayenne. If you don't have pre-made chaat masala, blend these spices together. The flavor will be slightly less complex but still delicious.
- amchur (dry mango powder) → 1 tsp fresh lemon or lime zest, finely grated. Adds tanginess but less depth. Use zest only (not juice) to avoid making the dough too wet.
- instant potato flakes (not granules) → 3 tbsp (20 g) cornstarch or arrowroot powder. Creates a slightly different texture—more delicate and less potato-forward, but still crispy.
- black salt (kala namak) → additional ¼ tsp fine sea salt. Black salt adds a subtle eggy, sulfurous note. Regular salt is a direct substitute but the flavor will be more straightforward.
