Rendang is the kind of dish that makes patience taste intelligent. Beef simmers in coconut milk with lemongrass, ginger, garlic, and warm spice until the liquid reduces down from sauce into something closer to a concentrated paste. By the end, the meat is tender and the flavor is astonishingly deep, earthy, and aromatic. It feels less like a stew than a transformation.
What matters is letting the pot move through its stages. At first it is soupy, then creamy, then gradually darker and more intense as the coconut milk cooks down and the spices toast in the fat. Stir more often toward the end, not at the beginning, and resist the urge to stop too soon. True rendang is defined by reduction.