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Food & Drink

November 14, 2023

Seitan Roast with Savory Mushroom Filling (Vegan)

A Festive Vegan Main Dish

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Vegan seitan recipe with mushroom filling, used as a vegan Thanksgiving or Christmas main dish.

SANTA.COM

Looking to spruce up your holiday table with a plant-based recipe for the vegans on your list? This delicious seitan roast is bursting with flavor and loaded with nutrients. Dive in and discover how to create this flavorful and hearty vegan main dish that'll satisfy everyone at the table.

Pairs beautifully with our vegan oven vegetables.

Seitan Roast with Savory Mushroom Filling Recipe

  • Prep time: 25 mins

  • Cook time: 1 hr

  • Total time: 1 hr 25 mins

  • Servings: 4-8

Ingredients

  • Savory Mushroom Filling:

    • 1 Tbsp oil

    • ½ cup onion, diced

    • 2 cloves garlic, chopped

    • 8 oz mushrooms, roughly chopped

    • ¼ cup dried cranberries

    • 1 Tbsp fresh rosemary, chopped

    • 1 tsp salt, plus more to taste

  • Seitan Roast:

    • 1 clove garlic, roughly chopped

    • 1 tsp poultry seasoning 

    • 2 tsp salt

    • 2 tsp nutritional yeast

    • 1 Tbsp lemon juice

    • 1 cup vegetable broth, plus ½ cup for baking

    • 1 ½ cups vital wheat gluten

  • Cooking liquid: 

    • 1 sprig rosemary 

    • 1 tsp maple syrup 

Instructions

  1. Heat the oil in a pan over medium heat. Add the onion and garlic and sauté for 1 minute. 

  2. Add the mushrooms and dried cranberries and saute for an additional 4 minutes. Toss in the rosemary and season with salt. Taste the filling and adjust the salt level if necessary. Turn off the heat, remove the filling and set aside to cool. 

  3. For the seitan roast, add the garlic, poultry seasoning, salt, nutritional yeast, lemon juice and vegetable broth to a blender then process until smooth. 

  4. Add the vital wheat gluten to a bowl and make a well in the center. Pour in the seasoned liquid and mix to form a smooth dough (knead for about 5 minutes). 

  5. Let the dough rest for 10 minutes. 

  6. Preheat the oven to 375 degrees. Shape the seitan dough into a medium-sized rectangle. Spread the mushroom filling onto the surface of the rectangle leaving 1 inch empty on each side. 

  7. Starting from the short side of the rectangle, roll the dough onto itself into a log shape. Use some kitchen twine and tie the seitan roast to seal in the filling or just pinch the ends together.

  8. Wrap the seitan roast in aluminum foil and place in a baking dish. In a bowl, combine the cooking liquid ingredients then pour it over the seitan roast. Bake for 45 minutes. 

  9. Carefully remove the aluminum foil, baste the seitan roast and place it back into the oven for another 15 minutes. Remove from the oven and let cool for 10 minutes before slicing. 

Step-by-Step Instructions

Step 1

Heat the oil in a pan over medium heat. Add the onion and garlic and saute for 1 minute. 

Sautéing onion and garlic in oil as step 1 of a vegan dinner recipe with seitan.
Sautéing onion and garlic in oil as step 1 of a vegan dinner recipe with seitan.
SANTA.COM

Step 2

Add the mushrooms and dried cranberries and saute for an additional 4 minutes. Toss in the rosemary and season with salt. Taste the filling and adjust the salt level if necessary. Turn off the heat, remove the filling and set aside to cool. 

Adding mushrooms and dried cranberries to the seasoning for a vegan recipe with seitan.
Adding mushrooms and dried cranberries to the seasoning for a vegan recipe with seitan.
SANTA.COM

Step 3

For the seitan roast, add the garlic, poultry seasoning, salt, nutritional yeast, lemon juice and vegetable broth to a blender then process until smooth. 

Adding final seasonings and nutritional yeast to a vegan Thanksgiving main dish with seitan.
Adding final seasonings and nutritional yeast to a vegan Thanksgiving main dish with seitan.
SANTA.COM

Step 4

Add the vital wheat gluten to a bowl and make a well in the center. Pour in the seasoned liquid and mix to form a smooth dough (knead for about 5 minutes). 

Mixing wheat gluten and seasoned liquid in a recipe showing how to make seitan.
Mixing wheat gluten and seasoned liquid in a recipe showing how to make seitan.
SANTA.COM

Step 5

Let the dough rest for 10 minutes. 

Letting the seitan dough rest for 10 minutes.
Letting the seitan dough rest for 10 minutes.
SANTA.COM

Step 6

Preheat the oven to 375 degrees. Shape the seitan dough into a medium-sized rectangle. Spread the mushroom filling onto the surface of the rectangle leaving 1 inch empty on each side. 

Shaping the seitan into a rectangle and spreading it with vegan filling.
Shaping the seitan into a rectangle and spreading it with vegan filling.
SANTA.COM

Step 7

Starting from the short side of the rectangle, roll the dough onto itself into a log shape. Use some kitchen twine and tie the seitan roast to seal in the filling or just pinch the ends together.

Rolling the seitan into a log, ready for baking as a Christmas or Thanksgiving vegan main dish.
Rolling the seitan into a log, ready for baking as a Christmas or Thanksgiving vegan main dish.
SANTA.COM

Step 8

Wrap the seitan roast in aluminum foil and place in a baking dish. In a bowl, combine the cooking liquid ingredients then pour it over the seitan roast. Bake for 45 minutes. 

Step 9

Carefully remove the aluminum foil, baste the seitan roast and place it back into the oven for another 15 minutes. Remove from the oven and let cool for 10 minutes before slicing. 

Notes

  • Serve with sides such as mashed potatoes or roasted vegetables.