Spicy Vegan Sweet Potato Casserole

4.6 from 8 reviews

Layer after layer of oven-roasted sweet potatoes and quinoa combine with a creamy, spicy sauce in this healthy take on a familiar classic.






  1. Wash cauliflower and chop into smaller florets.
  2. Preheat oven to 415º and line two baking sheets with foil.
  3. Peel sweet potatoes and use a mandolin [or knife] to chop into round slices 1/4″ thick. Toss with 3-4 tablespoons of olive oil, 2-3 teaspoons each of sea salt and pepper until well-coated. Spread sweet potatoes between 2 baking sheets and put them into the oven for 20 minutes.
  4. This is where things get serious – If you play your cards right, you can knock out the prep for the 3 main components of this casserole simultaneously, in under 25 minutes. Boom. You with me?
  5. Add quinoa and broth (or water) to a medium pot and bring to a boil. Decrease to a simmer and stir occasionally, cooking for 20-25 minutes.
  6. In a larger pot, bring 8 cups of water to a boil and add cauliflower florets. Boil for 10-15 minutes until tender.
  7. Add cauliflower florets to blender, along with 2 chipotle peppers, 1 tablespoon of adobo sauce from the can, 1 tablespoon of white wine vinegar, and 1 teaspoon each of sea salt and pepper. Add 1/4 cup of water and blend until smooth. If necessary, add more water to achieve a creamy consistency.
  8. Once sweet potatoes and quinoa are finished cooking, decrease oven temperature to 350º.
  9. Spray an 8″x8″ baking dish with olive oil.


  1. Line the bottom with a layer of sweet potatoes.
  2. Add a layer of quinoa.
  3. Add a thin layer of cauliflower sauce, saving plenty for the top layer.
  4. Add another layer of sweet potatoes.
  5. Add another layer of quinoa.
  6. Add a final layer of sweet potatoes.
  7. Pour remaining sauce over top.
  8. Bake 10-15 minutes until heated throughout.


Some readers have said this is too spicy for their liking! If you prefer milder spice, I would recommend using 1 adobo instead of two. Or using roasted red peppers instead of adobos.