Groentetas

Ingredients

• 600g oyster mushrooms, roughly torn in half if large
• 200g baby king oyster mushrooms
• 10 sprigs fresh thyme
• 3 large sprigs fresh rosemary
• 2 bay leaves
• 1 tsp dried pink peppercorns, lightly crushed, plus ¾ tsp extra, to serve
• 2 lemons – zest of 1 finely shaved, to get 8 strips, and juiced, to get 1½ tsp, the other cut into 4 wedges, to serve
• 6 garlic cloves, peeled and bashed with the flat of a knife
• Flaked sea salt
• 600ml olive oil
• 2 egg yolks
• 1 tsp dijon mustard
• 1½ tbsp sunflower oil
• 1½ tbsp finely chopped parsley