cheesy sweet potato gratin

Cheesy Sweet Potato Gratin

Indulge in something satisfying and filling with this Cheesy Sweet Potato Gratin. Made with sweet potatoes, loads of spices, almond milk, and gruyere cheese, it’s a cozy and delightful dish that’s perfect as a side or a main course.

Prep: 20Cook: 60Total: 1 hour 20 minutes
Yield 10 servings 1x


  • 3 lbs sweet potatoes, peeled
  • 2 tbsp avocado oil
  • 2 shallots, diced
  • 2 cloves minced garlic
  • 1/2 tsp nutmeg
  • 1 tsp dried thyme
  • 1 tsp salt
  • 1/4 tsp pepper
  • 1/4 cup almond milk (or regular)
  • 6 oz Gruyere cheese, shredded


  1. Preheat oven to 350F and grease an 8×11 baking dish.
  2. Slice peeled potatoes very thin, about 1/8 inch thick. Line them up in casserole dish, they should be close together and overlapping.
  3. In a saucepan, heat avocado oil and shallot over medium-high heat. Cook for two minutes and then add garlic, nutmeg, thyme, salt and pepper. Let cook for about 4-5 minutes or until softened. 
  4. Turn off heat and stir in almond milk. Pour mixture evenly over top sweet potatoes.
  5. Add shredded gruyere evenly overtop of potatoes. 
  6. Cover with foil and bake for 40 minutes. Take foil off and bake for 20 more minutes.
  7. Broil 4 minutes more to make cheese brown slightly, keeping an eye closely on it.
  8. Let sit 20 minutes before eating.
Author: Erin MorrisseyCategory: holiday, dinner, side dishMethod: ovenCuisine: AmericanDiet: Gluten Free