Lamb Chops with Iceberg Lettuce & Avocado Dressing

8, about 1.5 cm thick Quality Mark lamb loin chops

1/2, grated onions

1, crushed garlic clove

of 1 lemon lemon zest

of 1 lemon lemon juice

1 avocado

2 tbsp olive oil

2 tbsp lemon juice

3 tbsp creme fraiche

1, deseeded and finely chopped, optional red chilli

2 slices, day-old, cut into cubes ciabatta bread

1 small head, outer leaves removed iceberg lettuce

1, finely chopped spring onion

a small bunch of chives