Fully cooked chunks of potato are sometimes added to this richly spiced Thai curry at the end, but we like to cook the potatoes in the sauce so they soak up the flavors of the curry while lending it body.
Combine in a deep heavy skillet, pot, or Dutch oven:
If using store-bought paste, also add:
Cook over medium heat, stirring frequently and scraping up the curry paste from the bottom of the pan, until the coconut milk reduces, the oil separates out of the coconut milk, and the curry paste begins to fry. Stir in:
Bring to a boil, cover, and reduce the heat to simmer gently until the beef is very tender, about 1 hour. Remove any whole spices, if used. Add to the pan:
Simmer, covered, until the potatoes are tender, 20 to 25 minutes. Stir in:
Serve with:
Garnished with: