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Vegan Sweet Potato Casserole with Marshmallows

This Vegan Sweet Potato Casserole with Marshmallows is a classic Holiday side dish that will be an absolute crowd-pleaser on the Thanksgiving table this year despite being completely dairy-free and vegan!
5 from 13 votes
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Prep Time: 15 minutes
Cook Time: 45 minutes
Total Time: 1 hour
Servings: 8 Servings
Author: Liv King

Ingredients
 

Mashed Sweet Potato

  • 3 pounds Sweet Potatoes
  • 2 tablespoons Vegan Butter
  • 3 tablespoons Maple Syrup
  • 2 tablespoons Vegan Milk
  • 1 teaspoon Vanilla Extract
  • 1 teaspoon Cinnamon
  • ½ teaspoon Nutmeg
  • ½ teaspoon Salt

Pecan Streusel

  • 3 tablespoons Vegan Butter melted
  • ½ cup Light Brown Sugar
  • 6 tablespoons All-Purpose Flour
  • 1 cup Chopped Pecans

Topping

  • 2 cups Mini Vegan Marshmallows

Instructions

  • Preheat oven to 350F.
  • Peel and chop the sweet potatoes into large chunks. I used 4 medium-sized potatoes, about 3 pounds.
  • Bring a large pot of water to a boil and cook the potatoes until fork tender, about 7 to 10 minutes. Avoid over-boiling or you could end up with a runny sweet potato mash.
  • Add the potatoes to a food processor along with the vegan butter, maple syrup, vegan milk, cinnamon, nutmeg, and salt then pulse until smooth. Alternatively, use a potato masher.
  • Spread the sweet potato casserole in the bottom of a 9x13 casserole dish.
  • Make the pecan streusel by melting the vegan butter in the microwave or on the stovetop. Add the brown sugar and flour, stir to combine.
  • Roughly chop the pecans and add to the streusel topping. Sprinkle the pecan crumble over the mashed sweet potato. Top with vegan marshmallows.
  • Bake for 45 to 55 minutes or until the marshmallows are toasted on top. Serve and enjoy!

Notes

Make-Ahead Instructions: I recommend making the sweet potato mash and putting it in the casserole dish you plan to bake it in. You can make ahead the pecan streusel but store it separately. Wrap it in plastic wrap and store it in the fridge. The next day, top with pecan streusel and marshmallows then bake as instructed above.
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