An Indonesian simmered dish made with water buffalo (or beef) coconut milk, galangal root, turmeric leaves, lemongrass, and a spice paste made from shallots, red chile peppers, garlic cloves and fresh ginger root.
There are also versions of Rendang made with chicken, lamb, pork or fish. The spicy curry mixture goes well with either of these options.
Indonesian Beef Rendang - Saveur magazine has an excellent recipe for this flavorful dish.
Chicken Rendang - Rasa Malaysia shows us the proper method for preparing Rendang with chicken.
Fish Rendang - Plated provides an illustrated step-by-step recipe for this fish curry. It's served with a beautiful yellow rice dish.
Once you've tried a couple of these recipes, you can substitute a different protein.