Set the puff pastry aside to thaw
In a medium size saucepan, saute the celery and carrots in the vegan butter until tender
Add the lentils, water, vegetable cube, onion powder, garlic powder, vegan Worcestershire sauce, paprika, thyme, sage and pepper
Bring to the boil, reduce the heat and then simmer for 15-20 minutes or until the lentild are tender and have absorbed the liquid. Add salt for taste if using
Turn off the heat and stir in the kale and sunflower seeds. Cover the saucepan and leave for approx. 5 minutes until the kale has wilted
Mix in the breadcrumbs. Let the mixture cool until it is just warm
Pre-heat the oven to 200°C/400°F/Gas 6
When the puff pastry is thawed and pliable, start assembling the wellington
Scoop the mixture into the centre third of the pastry in the shape of a log. Leaving an inch each side. Make sure that it is tightly packed
Brush the sides of the pastry with water. Fold the sides of the pastry over the top of the mixture tightly.Pinch and seal the edges.
Place some greaseproof paper on a baking tray. Place the wellington on it seam-side down.
Score the pastry with a sharp knife. Brush with the non-dairy milk
Bake for 30 mintes until golden brown.
Leave to cool for approx. 5 minutes then cut into slices. Serve with vegetables of your choice, roast potatoes and vegan gravy