This almost no-knead bread recipe uses a mix of white, wholemeal, spelt flour and a rye sourdough starter, though the recipe could use any other flour or combination. The method is almost identical to the white leaven bread in The Handmade Loaf by Dan Lepard
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470 g Rye leaven or white leaven
550 ml Water at 20C/68F
650 g Plain flour
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200 g Wholemeal flour
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75 g Spelt bread flour
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20 g Salt

In a large bowl, whisk the leaven with the water. Add the flours and salt. Mix the ingredients together to form a sticky mass. Cover and leave 10-15 minutes to stand, to allow gliadin and glutenin proteins in the compound gluten to hydrate and bond. On a lightly oiled work surface, place the dough and knead briefly, 20 to 30 seconds will be enough. Shape the dough into a ball and put it back into the mixing bowl. Cover and refrigerate overnight. Next day, scrape the dough on to a lightly oiled work surface and pat it out to form a rectangle, roughly 40cm x 20cm. Fold one end, a third of the length, back to the centre. Fold the other end back over it, so we have 3 layers of dough, like folding puff pastry.
Pat it out again and fold it once more. Leave one hour at room temperature and repeat. Leave another hour and repeat. The dough should be rising nicely. To check, slash the dough with...