Vegan Mushroom and Nut Phyllo Strudel

A sophisticated vegan strudel featuring layers of crispy phyllo dough wrapped around a savory filling of three mushroom varieties—portobello, oyster, and button—combined with toasted cashews and pistachios for textural contrast and nutty depth. Leeks provide gentle sweetness and aromatic backbone, while white wine adds complexity to the earthy filling. This elegant dish suits special dinners, vegetarian gatherings, or impressive plated appetizers. What sets this version apart is the careful technique of layering phyllo with water rather than oil or butter, keeping it entirely plant-based while achieving golden crispness. The slow cooking of mushrooms until their liquid evaporates concentrates flavors, and the toasted nuts add richness without dairy. Perfect for those seeking restaurant-quality vegan cuisine that doesn't compromise on texture or taste.
Ingredients
- 5 phyllo sheetsfillo sheets1pastry
alternative spelling
- 3 ½ oz mushroom
- 7 oz portobello mushroomcremini mushroom1fungi
creminis milder, less meaty
- 7 oz oyster mushroomshiitake mushroom1fungi
shiitake more robust
- 1 oz raw cashew nuts
- 1 oz pistachiosunflower seeds1nuts/seedstree_nuts-free
sunflower seeds more accessible
- 2 leek
- 3 ½ tbsp white wine
- ¾ teaspoon salt
- ½ teaspoon white pepper, ground
- 4 tablespoon extra virgin olive oil
- water, to join phyllo sheets(optional)
Instructions
- 1
Cut the green part of the leeks lengthwise, wash thoroughly under running water to remove soil, chop finely, and set aside.
- 2
Wash all mushrooms, slice them, then halve the slices, and set aside.
- 3
Chop pistachios lightly. Lightly toast cashews in a pan, chop them, and set aside.
- 4
Heat the oil in a pan over medium heat, add leeks, and saute for 5 minutes, stirring occasionally, until transparent.
- 5
Add all mushrooms, stir, and cook until they release and evaporate all their water.
- 6
When no water remains, add cashews, pistachios, salt, and pepper, stir well.
- 7
Pour in the wine and cook for 7 minutes, then remove from heat and let cool to room temperature.
- 8
On a clean cloth, lay one phyllo sheet, brush lightly with water, and layer remaining sheets one by one, brushing each with water.
- 9
Place filling on the right half of the phyllo stack, leaving 2 ¾" margin on the right and 2" margins on top and bottom.
- 10
Fold upper and lower margins inward over the filling, then fold the right end over and roll tightly until about 2 ¾" remains.
- 11
Brush the seam with water, complete the roll, and seal firmly.
- 12
Preheat the oven to 325°F.
- 13
Place strudel on an oven tray lined with baking paper, brush with a little oil.
- 14
Bake for 30 minutes, covering with baking paper if browning too quickly, until phyllo is golden and crisp.
- 15
Remove from oven and let cool slightly.
- 16
Brush with a few drops of oil for shine and serve.
Tips
Toast cashews briefly before chopping to intensify their buttery, savory notes, which contrast beautifully with the earthy mushrooms and provide textural crunch in the filling.
Use water instead of oil or melted butter between phyllo layers for a vegan version that still yields crispy, golden sheets; apply it sparingly with a brush to avoid sogginess.
Let mushrooms cook uncovered until all released liquid evaporates completely; this concentrates umami flavors and prevents a wet, soggy strudel interior.
Good to Know
Cover and refrigerate up to 3 days. Reheat in a 160 degrees Celsius oven for 10-15 minutes until crispy.
Assemble the strudel (through sealing step) up to 8 hours ahead; refrigerate covered, then bake when ready. Filling can be made 1 day ahead and refrigerated.
Serve warm or at room temperature as a main course with a fresh green salad, roasted vegetables, or alongside a light soup. Excellent for buffets, picnics, or elegant plated appetizers.
Common Mistakes
Don't skip cooling the filling to room temperature before assembly; hot filling will make phyllo damp and prevent crispness.
Don't brush phyllo too heavily with water; light, even application prevents sogginess while ensuring sheets adhere.
Don't rush mushroom cooking; cook uncovered until all liquid fully evaporates to avoid a waterlogged, mushy filling.
Substitutions
Nut-Free Alternatives
General Alternatives
alternative spelling
creminis milder, less meaty
shiitake more robust
FAQ
Can I freeze the assembled strudel before baking?
Yes, freeze unbaked strudel on a tray for 2 hours, then wrap and freeze up to 2 months. Bake directly from frozen, adding 5-10 minutes to baking time and covering with foil if browning too quickly.
What if I don't have all three mushroom varieties?
Use 500g total of any combination of mushrooms: cremini, button, shiitake, or oyster all work. Avoid watery varieties like common white mushrooms alone, as they release excess moisture. Mix varieties for best depth.
How long does leftover strudel keep and how should I store it?
Covered in the refrigerator, strudel lasts 3-4 days. Reheat in a 160 degrees Celsius oven for 10-15 minutes to restore crispness. Freezing cooked strudel is less successful as phyllo becomes brittle; best served fresh or within a day.