Sweet potato and chestnut Christmas wellington

Sweet potato and chestnut Christmas wellington
Skill level
Keen cook
Preparation Time
20 minutes
Cooking Time
28 minutes
Serves Serves 6

Packed full of delicious sweet potatoes and Christmas flavours, this wellington is a tasty take on the classic beef wellington.

This recipe was created for us by Lucy Parker - @lucy_and_lentils

For the wellington

  • 1tbsp olive oil
  • 2 large sweet potatoes
  • 200g mushrooms, finely chopped
  • 3 cloves garlic, finely chopped
  • 1 red onion, finely diced
  • 150g chopped cooked chestnuts
  • 1 tsp dried rosemary
  • 1 tsp dried thyme
  • 1 tsp dried sage
  • 1 sheet puff pastry
  • 1 tbsp tamari (can substitute for 1 tbsp melted vegan butter and 1 tsp smoked paprika)

For the gravy

  • 150g mushrooms
  • 3 cloves garlic, minced
  • 800ml vegtable stock
  • 2 tbsp cornflour
  • 1 tbsp cranberry sauce
  • 3 tbsp gravy granules to thicken


  1. 1Start by quartering the sweet potatoes, add to a pot of water, bring to the boil and simmer for around 12 minutes
  2. 2Prepare the filling by adding the chopped onion to a frying pan with the olive oil and fry for 5 minutes before adding the chopped mushrooms, chopped chestnuts, dried herbs and chopped garlic
  3. 3Fry on a medium heat for around 10 minutes
  4. 4Drain the water from the sweet potatoes then add them to the pan with the filling and roughly mash together
  5. 5Take off the heat and set aside to cool, you can add to tin foil to mix into the sausage shape to fill the pastry
  6. 6Once the filling has cooled to room temperature prepare the pastry sheet, add the filling to the middle of the pastry sheet
  7. 7Slice the edges of the pastry to create strips then overlap them to create a criss cross pattern, brush in the Tamari (or sub for melted butter and paprika) then place in the oven at 200ÂșC (fan) for 25-30 minutes or until crispy
  8. 8For the gravy simply fry off the garlic, mushrooms and tamari, add in the cranberry sauce, pour over the stock and granules to thicken, whisk together before adding the cornflour to thicken & serve hot over the freshly baked wellington.