1 apple, cored, thinly sliced
1 celery stick, thinly sliced
chopped celery leaves to garnish
6 cherry tomatoes, halved
2 tsp lemon juice
3 spring onions, thinly sliced
4 tbsp pickle or chutney
4 tbsp mayonnaise
150驳/5陆辞锄 plain flour
100g/3陆oz cold butter, cut into cubes
60驳/2录辞锄 cheddar, cut into small wedges
1 free-range egg, beaten