Combine toasted flours, psyllium husk, salt, and turmeric in a bowl.
Cut in the butter
4 Add cold butter cubes. Rub with fingers or use a pastry cutter until the mix resembles coarse crumbs with some pea-sized butter pieces.
5 Add yolk and vinegar
6 Stir to distribute evenly.
7 Add water gradually
8 Mix in cold water 1 Tbsp at a time until the dough just holds together.
9 It should form a cohesive but not sticky ball. (You may not need all the water.)
Chill
10 Wrap and refrigerate 30–45 minutes before rolling.
Roll & shape
11 Roll out to â…› inch thick.
12 Cut 6–7 inch circles, fill, fold, and crimp.
Bake
13 Brush with egg wash or milk.
14 Bake at 375 °F (190 °C) for 30–35 min, until golden and crisp.