1.Place beef, paste and coconut milk in a 4.5-litre (18-cup) slow cooker; stir until paste dissolves.
2.Add stock, ginger, garlic, onion, lime leaves, curry leaves, sauce and sugar to cooker. Cook, covered, on high, about 2 hours. Reduce to low; cook a further 8 hours. Season to taste.
3.Discard lime leaves. Stir in snow peas; cook, covered, on low, for 10 minutes or until peas are tender. Season to taste.
4.Serve beef topped with peanuts, basil and chilli.
Not suitable to freeze. For a more indulgent Thai experience, serve with steamed jasmine rice or fresh rice noodles, accompanied with lime wedges.