Beef massaman curry

Name: Beef massaman curry
Prep time: 15 min
Cook time: 2 h 10 min
Total time: 2 h 25 min
Cuisine: Thai
Ingredients: 85g unsalted peanuts; 400ml can coconut milk; 4 tbsp massaman curry paste (we used Bart); 600g stewing beef steak, cut into large chunks; 450g waxy potatoes, cut into 2.5cm chunks; 1 onion, cut into thin wedges; 4 kaffir lime leaves (available from Thai shops or dried from supermarkets); 1 cinnamon stick; 1 tbsp tamarind paste; 1 tbsp palm or soft light brown sugar; 1 tbsp fish sauce; 1 red chilli, deseeded and finely sliced, to serve; jasmine rice, to serve