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A close friend of mine loves to eat my vegetable pot pie with mashed potatoes on top. This recipe is a great way to find out why.

From The Forks Over Knives Plan


  • 4 large russet potatoes (about 2 pounds), peeled and cut into large chunks
  • Sea salt
  • 2 large yellow onions, finely diced
  • 3 large carrots, diced
  • 3 cups frozen peas
  • 3 cups frozen corn
  • 4 cups frozen broccoli florets
  • 6 tablespoons arrowroot powder
  • 4 cups unsweetened, unflavored plant milk
  • 1⁄4 cup nutritional yeast
  • Freshly ground black pepper
  • Chopped fresh chives, for serving (optional)


  1. Preheat the oven to 350°F.
  2. Place the potatoes in a large pot and add water to cover. Bring to a boil over high heat. Reduce the heat to medium, cover the pot, and cook until the potatoes are tender when pierced with the tip of a sharp knife, 12 to 14 minutes. Remove the pot from the heat and drain off all but 2⁄3 cup of the cooking water. Use a masher to mash the potatoes well. Season with salt to taste, and set aside.
  3. Cook the onions and carrots in a large sauté pan over medium-high heat, stirring occasionally, until the onions are translucent and beginning to brown, 8 to 10 minutes. Add water 1 to 2 tablespoons at a time to keep the vegetables from sticking.
  4. Add the peas, corn, and broccoli. Cook until heated through, about 5 minutes.
  5. Meanwhile, combine the arrowroot powder with the plant milk in a medium bowl, and whisk until well blended. Add the mixture to the vegetables along with the nutritional yeast, and cook until thickened, about 5 minutes. Season with salt and pepper to taste.
  6. Transfer the vegetable mixture to a 9×13-inch pan. Spoon the mashed potatoes evenly over the top.
  7. Bake until bubbly and lightly browned, about 1 hour. Sprinkle with the chopped chives, if desired, and serve hot.

Comments (7)

(4.43 from 7 votes)
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Joe W Sing2 months ago
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As much as I like Broccoli, dump it and add mushrooms.

Constance10 months ago
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Omg cant wait to try!! This sounds so good and pure and nutritional.

I wonder if the oven part is important? does it change the tastes or something? Because the oven we have are really bad!

Linnea11 months ago
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Just the autumn comfort family dinner I was hoping for. Thank you!

Cindy Carubia11 months ago
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We loved this recipe – I made a few modifications which made it easier and truly taste like a dish from a restaurant.
I made a simple vegan crust for the bottom – that made it heavenly. I only needed one large onion. I used two small packages of frozen organic vegs, threw in a half package of cubed tofu while sautéing onion. The mashed potatoes on top were yummy! It only needed 30 minutes to bake at 375.

Donna11 months ago
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It was so bland. I had even added some minced garlic and onion powder to spice it up while cooking. I expected a savory flavor but it was just bleh. Will not be making this again.

Mo12 months ago
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Absolutely delicious! I replaced the nutritional yeast (not a fan) with soy sauce (1/8c) and used cornstarch instead of arrowroot and was not disappointed.

Mike Clark12 months ago
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about the author

Del Sroufe

Chef Del Sroufe is co-owner and executive chef of Wellness Forum Foods, a whole-food, plant-based meal delivery and catering service in Columbus, Ohio. He is the author of Forks Over Knives – The Cookbook and Better Than Vegan. Del teaches cooking classes and helps people transition to a healthy plant-based diet.

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