"Cold butter and chilled dough are the secret to these puffed sourdough crackers made with tangy sourdough discard, Gruyere & thyme...."
INGREDIENTS
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1 cup (120-125 g) all-purpose flour
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1/2 tsp. fine sea salt
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1/4 tsp. garlic powder
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1/4 cup (appx. 60 g) sourdough discard
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4 tbsp. (56 g) unsalted butter, cold, cut into small cubes
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8 oz. (227 g) Gruyere cheese, grated
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2 tbsp. (20 g) grates Parmesan cheese
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6 sprigs of fresh thyme, leaves picked, plus extra to serve
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1 to 4 tbsp. (45 to 60 g) cold water, plus more as needed