Mixed mushroom & tarragon gratin
Waitrose and Partners

Mixed mushroom & tarragon gratin

This rich, earthy gratin is lifted by the menthol and anise flavours of tarragon and cut by a twist of lemon. It goes well with greens and can be prepared in advance.

  • Serves4
  • CourseMain meal
  • Prepare20 mins
  • Cook20 mins
  • Total time40 mins


  • 30g dried Cooks’ Ingredients Porcini Mushrooms
  • 200g No.1 Woodland Mushrooms
  • 500g Duchy Organic Chestnut Mushrooms
  • 60g butter
  • 150ml double cream
  • 4 cloves garlic, crushed
  • 15g No.1 30 month Parmigiano Reggiano, finely grated
  • ½ lemon, juice
  • 10g tarragon, leaves only, finely chopped, plus extra to garnish
  • ½ sourdough ciabatta
  • 2 tbsp extra virgin olive oil