Melt butter in a frying pan over medium heat. Add onions and a pinch of salt. Cook for about 5 minutes until slightly translucent. Add garlic and cook for another 2 minutes.
Then add the mushrooms and increase the heat to medium. Cook for about 7 minutes, stirring occasionally. Once the mushrooms are golden brown around the edges, add another pinch of salt, thyme, sage and flour. Cook for 2 minutes, stirring constantly. The flour should not be lumpy. Slowly stir in the vegetable broth and oat milk. Bring to a boil and then reduce to a simmer until the mixture thickens. Season to taste with salt and pepper. Add the planted.pulled Stir in the Spicy Herbs.
Preheat the oven to 220°C.
Roll out the puff pastry on a cutting board. The longer sides of the dough should be parallel to you. Spread a thin layer of cranberry sauce horizontally on the bottom third of the dough.
Spread the Spicy Herbs mixture evenly in the center of the dough.
Spread a thin layer of pumpkin puree on the top third of the dough.
Roll the dough into a 30 cm long strand. Cut into 5 cm long pieces with a sharp knife.
Place on a baking sheet lined with parchment paper (with the strudel facing up), 5 cm apart.
Brush lightly with unsweetened oat milk.
Bake for 12-15 minutes until they have risen to a golden brown. Arrange in a circle on a serving platter, garnish with whole herbs and more cranberry sauce. Pour the mushroom sauce into a bowl in the center.