Sweet & Sour Cauliflower & Cabbage Salad

• 1 1/2 cauliflower
• 240 gr pineapple
• 230 ml water chestnuts
• 130 gr primo cabbage
• 30 ml malt vinegar
• 18 gr tomato paste
• 16 ml water
• 16 ml soy sauce
• 10 ml sherry
• 5 gr brown sugar