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    Recipes » Recipes » Lunch & Dinner

    Vegan Sweet Potato Casserole (Gluten-Free)

    Last updated - July 14, 2021; Published - November 19, 2018 By Rhian Williams 2 Comments

    Jump to Recipe Jump to Video Print Recipe
    Photo of mashed sweet potatoes topped with chopped pecan nuts and oatmeal with a silver spoon lifting up a mouthful of it

    This Vegan Sweet Potato Casserole is rich and creamy, subtly spiced and is topped with crispy, crunchy oats and toasty pecans. It's also gluten-free and refined sugar free, and much healthier than the traditional version. The best savoury-sweet side dish for Thanksgiving or Christmas!

    Vegan sweet potato casserole in a pie dish with a mouthful taken out of it

    How to make this recipe

    Scroll to the bottom of the post for the full recipe.

    • Cook the sweet potatoes for 15 minutes until soft enough to gently pierce with a fork.
    Sliced sweet potatoes covered in water in a pan
    • Drain away the water and add the coconut oil, salt, cinnamon and maple syrup.
    Cooked sweet potatoes, coconut oil and spices in a pan
    • Use a fork or potato masher to mash the sweet potatoes.
    Mashed sweet potatoes in a pan
    • Place all the ingredients for the topping in a glass mixing bowl.
    Chopped pecan nuts, coconut oil and oats in a mixing bowl
    • Mix well.
    Oats, pecan nuts and syrup mixed together in a bowl
    • Place the mashed sweet potatoes in a baking dish - I used a 20.5 cm/8 inch pie dish.
    Mashed sweet potatoes in a pie dish
    • Sprinkle the topping over the mashed sweet potatoes in the baking dish.
    Mashed sweet potatoes in a pie dish topped with oats and chopped pecan nuts
    • Bake in the oven for 20 minutes, until top is crispy and golden brown.
    Vegan sweet potato casserole in a pie dish

    How long does this keep for?

    This Sweet Potato Casserole is best when fresh but leftovers keep covered in the fridge for a few days - it's best reheated in the oven.

    Substitutions you can make

    • You can use any type of sweetener: maple syrup, agave syrup, date syrup, brown rice syrup etc.
    • You can replace the pecan nuts with walnuts.
    • You can replace the sweet potatoes with white sweet potatoes, purple sweet potatoes, butternut squash or pumpkin.

    Tip: If using white or purple sweet potatoes, add a splash of plant-based milk to make sure it doesn't get too dry as these don't contain as much moisture.

    Vegan sweet potato casserole in a pie dish with a spoon lifting up a mouthful

    More festive side dishes

    • Scalloped Sweet Potato Gratin
    • Cauliflower Cheese Gratin
    • Green Bean Casserole
    • Sugar Free Cranberry Sauce
    • Stuffing
    • Pumpkin Quinoa Salad
    • Potato Dauphinoise Gratin

    If you try out this recipe or anything else from my blog, I’d really love to hear any feedback! Please give it a rating, leave a comment, or tag a photo @rhiansrecipes #rhiansrecipes on Instagram! Thank you.

    Watch how to make it

    Vegan sweet potato casserole in a pie dish with a mouthful taken out of it

    Vegan Sweet Potato Casserole (Gluten-Free)

    This Vegan Sweet Potato Casserole is rich and creamy, subtly spiced and topped with crunchy oats and pecans. The best savoury-sweet side dish!
    4.84 from 6 votes
    Print Pin Rate
    Course: Side Dish
    Cuisine: American
    Keyword: gluten-free sweet potato casserole, vegan sweet potato casserole, vegan thanksgiving side
    Prep Time: 10 minutes
    Cook Time: 40 minutes
    Total Time: 50 minutes
    Servings: 4
    Calories: 330kcal
    Author: Rhian Williams

    Ingredients

    For the sweet potatoes:

    • 450 g (16 oz) sweet potatoes , peeled and sliced
    • 1 teaspoon coconut oil
    • Pinch salt
    • ¼ teaspoon ground cinnamon
    • 1 tablespoon maple syrup to taste (or sub any other sweetener)

    For the topping:

    • 75 g (¾ cup) rolled oats (ensure gluten-free if necessary)
    • 40 g (⅓ cup) pecan nuts , roughly chopped
    • ¼ teaspoon ground cinnamon
    • 3 tablespoons maple syrup (or sub any other sweetener)
    • 1 tablespoon coconut oil

    Instructions

    • Preheat the oven to 180 degrees Celsius (350 degrees Fahrenheit).

    For the sweet potatoes:

    • Place the sliced sweet potatoes in a pan and roughly cover with water.
    • Bring to the boil, turn down the heat and cook for around 15 minutes until soft enough to gently piece with a fork.
    • Drain away the water and add the coconut oil, salt, cinnamon and maple syrup to the cooked sweet potatoes.
    • Use a potato masher or a fork to mash the sweet potatoes.

    For the topping:

    • Mix together all the ingredients in a bowl.

    To assemble:

    • Place the mashed sweet potatoes in a baking dish - I used a 20.5 cm/8 inch pie dish.
    • Sprinkle the topping over the mashed sweet potatoes in the baking dish.
    • Bake in the oven for 20 minutes, until top is crispy and golden brown.
    • Best when fresh but leftovers keep covered in the fridge for a few days - best reheated in the oven.

    Video

    Nutrition Facts
    Vegan Sweet Potato Casserole (Gluten-Free)
    Amount Per Serving
    Calories 330 Calories from Fat 108
    % Daily Value*
    Fat 12g18%
    Saturated Fat 4g20%
    Sodium 64mg3%
    Potassium 533mg15%
    Carbohydrates 50g17%
    Fiber 6g24%
    Sugar 17g19%
    Protein 5g10%
    Vitamin A 15960IU319%
    Vitamin C 2.7mg3%
    Calcium 72mg7%
    Iron 1.7mg9%
    * Percent Daily Values are based on a 2000 calorie diet.
    Made the recipe?Tag @rhiansrecipes on instagram and use the hashtag #rhiansrecipes!

    Disclosure: This posts contains affiliate links to Amazon. If you purchase any of these products, a small percentage will come to me with no extra cost to you! This income will go towards the running of this blog – thank you.

    More Lunch & Dinner Recipes

    • Gluten-Free Dinner Rolls (Vegan + No Yeast)
    • Tofu Burger (Vegan + Gluten-Free)
    • Vegan Sausage Rolls (Gluten-Free)
    • Gluten-Free Vegan Irish Soda Bread
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      Recipe Rating




    1. Anonymous

      August 06, 2019 at 5:16 pm

      5 stars
      Great recipe easy to follow instructions

      Reply
      • Rhian Williams

        August 06, 2019 at 7:32 pm

        Thank you so much!

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    Photo of Rhian Williams from Rhian's Recipes

    Hi, I'm Rhian! I make easy, undetectably vegan + gluten-free recipes, including healthy comfort food and naturally sweetened desserts using plant-based ingredients.

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