Beef steak with satay sauce and sprout salad

Name: Beef steak with satay sauce and sprout salad
Prep time: 15 min
Cook time: 25 min
Total time: 40 min
Cuisine: Asian
Ingredients: 400ml can coconut milk; 1 1/2 tablespoons Thai red curry paste; 1 1/2 tablespoons smooth peanut butter; 2 teaspoons fish sauce; 2 teaspoons caster sugar; 2 teaspoons tamarind purée; 1/2 cup roasted unsalted peanuts, finely chopped, plus extra to serve; 1 tablespoon kecap manis; 1 tablespoon peanut oil; 700g beef rump steak, trimmed; 200g mixed baby tomatoes, halved; 1 Lebanese cucumber, roughly chopped; 60g baby spinach; 3/4 cup bean sprouts, trimmed; 2/3 cup fresh coriander leaves; Lime wedges, to serve