Nonstick cooking spray or butter, for greasing the pan 1 ½ cups/215 grams all-purpose flour 2 teaspoons baking powder 1 teaspoon kosher salt ¾ teaspoon ground Pragati Turmeric 2 lemons 1 cup/200 grams granulated sugar, plus 2 tablespoons for sprinkling ¾ cup/180 milliliters sour cream or full-fat Greek yogurt, plus mor
