Potato

700 g, (small), halved

Radish

8 medium, (160g), larger ones halved

Garlic

3 clove(s), crushed

Fresh tarragon

¼ cup(s), leaves

Lemon juice

1 tbs

Skinless chicken breast

660 g, (4 x 165g)

Green shallot(s)

8 individual, trimmed and halved lengthways

Asparagus, fresh

2 bunch(es), (320g), trimmed

99% fat-free plain yoghurt

100 g

Dijon mustard

½ tsp

Oil spray

2 x 3 second spray(s)