01 - In a large mixing bowl, whisk together the sourdough discard, yogurt, sugar, melted butter (or oil), salt, baking powder, and baking soda until smooth and well incorporated.
02 - Gradually add the all-purpose flour to the wet mixture, stirring with a wooden spoon or your hands until a shaggy, rough dough comes together.
03 - Add warm water one tablespoon at a time, kneading gently after each addition, until the dough is soft and slightly tacky but holds its shape without sticking excessively to your hands.
04 - Transfer the dough to a lightly floured work surface and knead gently for 2–3 minutes until the dough becomes smooth, pliable, and elastic.
05 - Place the dough in a lightly greased bowl, cover with a damp kitchen towel, and let it rest in a warm spot for 1–2 hours. The dough will puff up noticeably, though it may not fully double in size.
06 - Gently punch down the dough and divide it into 8 equal portions. Roll each portion into a smooth ball and cover loosely to prevent drying.
07 - On a lightly floured surface, roll each dough ball into an oval or classic teardrop shape approximately ¼ inch thick.
08 - Heat a cast iron skillet or nonstick pan over medium-high heat until it is ripping hot and lightly smoking.
09 - Place one rolled naan onto the hot skillet. Cook until large bubbles form across the surface and the underside turns golden brown with charred spots, about 1–2 minutes. Flip and cook the other side for another 30–60 seconds until puffed and cooked through.
10 - Remove the naan from the pan and immediately brush generously with melted butter. Sprinkle with minced garlic, fresh cilantro, or nigella seeds if desired.
11 - Repeat the cooking process with the remaining dough balls, keeping finished naan wrapped in a clean towel to stay warm. Serve immediately while hot and pillowy.