Spring steak salad

Ingredients

• Steak
• 2 fillet steaks, at room temperature (about 200g each)
• 1 teaspoon olive oil
• Salad
• 1 fennel bulb, shaved, reserve leaves to garnish
• 1 beetroot, peeled and shaved, reserve any small beet leaves to garnish
• 1 handful green beans or asparagus, blanched
• 1 cup frozen peas, blanched
• 1 cup frozen broad beans, blanched and peeled
• 1/2 cup flat-leaf parsley leaves
• 1/2 cup mint leaves
• 1 teaspoon sumac
• Mustard dressing
• 6 tablespoons olive oil
• 2 tablespoons lemon juice
• 2 teaspoons grainy mustard
• 2 cloves garlic, finely chopped