1 lb (450 g) potatoes, scrubbed and diced
2 carrots, scrubbed and diced
5 small cauliflower, broken into small florets
3 oz (75 g) shelled fresh peas or frozen peas, thawed
2 cooked beetroot (beet), skinned and diced
1 small onion, skinned and chopped
45-60 ml (3-4 tbsp) mayonnaise
4 tbsp (60 ml) low-fat natural yogurt
2 tsp (10 ml) lemon juice
2 gherkins, chopped
6 stuffed olives, chopped
salt and pepper, to taste
Watercress (salad cress) sprigs and chopped red pepper, to garnish