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Overhead shot of a vegan mushroom wellington wrapped in crispy puff pastry sitting on a round white plate, surrounded by sauteed mushrooms and onions and a sprig of rosemary

Vegan Mushroom Burger Wellington

Terrence Roche

Easy Vegan Burger Wellington recipe is the perfect main dish for Christmas dinner. It’s two vegetarian burgers layered with caramelized onions, mushrooms, and a melty slice of dairy free cheese encased in a crisp puff pastry crust.

4.67 from 3 votes
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Prep Time 20 minutes
Cook Time 35 minutes
Total Time 55 minutes
Course Entrees
Servings 2 servings
Calories 436 kcal

Ingredients
  

  • 1 small onion thinly sliced
  • 1 cup sliced mushrooms
  • 2 Tbsp olive oil
  • 1/2 large sheet puff pastry defrosted*
  • 2 mushroom veggie burgers**
  • 1 slice non-dairy cheese***

Instructions
 

  • PREP: If you haven’t already, remove your puff pastry and burgers from the freezer to defrost. Preheat your oven to 400F, line a baking sheet with parchment paper, and slice the onions and mushrooms.
  • SAUTE THE VEG: Heat the olive oil on medium high in a saute pan. When hot, add the sliced onions and saute for 7-8 minutes until caramelized but not dry. Then, add the mushrooms, turn the heat to medium low, cover, and cook for 3-5 more minutes. If the onions seem a little dry, add a tablespoon or two of water before adding the mushrooms.
  • ASSEMBLE: Roll out the puff pastry on a lightly floured surface into a big square. Add a “patty-sized amount” of the caramelized veggies in the center of the square and gently smooth it out. Top that with a vegan burger patty, then the slice of cheese, followed by your other burger.
  • FINISHING TOUCHES: Cut the corners off your puff pastry to form a cross or “+” shape. If you’d like, you can use the excess to create a fun little design for the top like we did in the photos! Next, pull the corners of the puff pastry up around your burger, sealing each one by pinching the pastry together (or use a little water.) 
  • BAKE: Flip this wrapped burger stack over and place it on a parchment-lined baking sheet. Bake at 400F for 20-25 minutes or until the pastry is lightly browned. Serve + enjoy!

Video

Notes

*Puff Pastry: Check the ingredients to make sure yours is vegan friendly, but a lot of popular brands don’t put dairy in their puff pastry. We almost always use Pepperidge Farm!
**Mushroom Veggie Burgers: We used the Savory Mushroom Burgers from NoBull; they’re delicious and come fully cooked! Any fully cooked veggie burger should work, but if you’re using something like Beyond or Impossible, you’ll want to cook them first! Same if you’re using homemade veggie burgers.
***Plant-Based Sliced Cheese: We used the vegan smoked gouda slices from Whole Foods. Highly recommend a smoked gouda style cheese because it adds a delightful smokiness to the whole experience!

Nutrition

Serving: 1/2Calories: 436kcalCarbohydrates: 30gProtein: 15gFat: 30gSaturated Fat: 6gPolyunsaturated Fat: 21gSodium: 475mgFiber: 6gSugar: 6g
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