Massaman beef and pineapple curry

Ingredients

• 2 tablespoons vegetable oil
• 1/3 cup massaman curry paste
• 1 kilogram trimmed, beef bolar blade, cut into large chunks
• 400 millilitres coconut milk
• 1 cup water or beef stock
• 4 peeled, halved desiree potatoes
• 1/2 pineapple, peeled, cored, cut into chunks
• 6 whole eschalots, peeled
• 6 cardamom pods
• 1 cinnamon stick
• 2 centimetre piece, peeled, sliced ginger
• 100 grams trimmed green beans
• 1 tablespoon fish sauce
• 1 tablespoon tamarind puree
• kaffir lime leaves, to serve (optional)
• peanuts, to serve (optional)