2 cups basmati rice
5 tablespoons unsalted butter
4 cups finely diced leeks, including the dark green parts (2 medium leeks or 1 very large leek)
Fine sea salt or kosher salt
¼ teaspoon ground turmeric
1 cup finely chopped dill leaves and tender stems (about 2 bunches)
1 cup finely chopped cilantro leaves and tender stems (about 2 large bunches)
3 tablespoons Greek yogurt
3 tablespoons neutral-tasting oil, such as canola