Green beans with lemon & parmesan

• green beans↗600g g

  trimmed

• Dijon mustard↗1½ tsp tsp
• white wine vinegar↗2 tsp tsp
• olive oil↗3 tbsp tbsp
• lemon↗½

  zested and juiced

• small garlic clove↗1

  finely grated

• parmesan↗10g g

  (or vegetarian alternative), finely grated

Step-by-step instructions

1. 1

   Steam the beans over a pan of boiling water for 5 mins or cook for 3 mins in a large pan of boiling salted water over a medium heat. Once cooked, plunge into ice-cold water, leave for 2 mins, then drain and leave to dry.

2. 2

   Meanwhile, combine the mustard, vinegar, olive oil, lemon zest and juice, and the garlic. Toss the beans and the dressing together in a large bowl. Serve on a platter with the parmesan sprinkled over.