Combine ingredients for spice paste in a food processor and blend until smooth.
Heat oil in a wok and sauté the spice paste until fragrant. Add the beef and cook, covered, for 5 minutes.
Pour in the coconut milk and bring to a boil. Simmer for 25 minutes. Add the pea aubergines, capsicum and basil leaves and simmer for another 3 minutes. Season with sal