Roll out the pastry to ½cm thickness. Chill in the fridge until required.
Cut the Tofoo into small pieces/mash/crumble.
To make the filling, combine the chopped mushrooms, Tofoo, onion, garlic, mustard, celery, parsley and thyme in a mixing bowl and mix together. Transfer to a pan with olive oil and cook until soft. Stir the breadcrumbs through. Add salt and pepper as desired.
Form the mixture into a sausage shape down the centre of the length of the pastry sheet on a lined baking sheet. Roll up so that the edges meet. Seal by brushing the almond milk over the edges and crimping them together. Turn the roll over so that the join is underneath.
Brush the roll with the remaining almond milk and press the sunflower seeds onto the top. Bake for 40-50 mins or until golden brown and piping hot.
Slice to desired thicknesses and serve warm with cranberry sauce.