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Scalloped sweet potatoes in a casserole dish.

Cheesy Scalloped Sweet Potato Casserole

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 5 from 3 reviews
  • Author: Krista
  • Prep Time: 10 minutes
  • Cook Time: 1 hour
  • Total Time: 1 hour 10 minutes
  • Yield: 10-12 1x
  • Category: Side Dish
  • Method: Oven
  • Cuisine: American

Description

These Cheesy Scalloped Sweet Potatoes are perfect for a holiday feast. Made with heavy cream, gruyere cheese, tender sweet potatoes, and fresh herbs, this sweet potato casserole is sure to please!

Ingredients

Scale
  • 6–7 medium sweet potatoes, cut into 1/3” slices
  • 1 tablespoon of butter
  • 1 shallot
  • 2 garlic cloves, minced
  • 1/2 cup heavy cream
  • 3/4 cup 2% milk
  • 2 teaspoons fresh thyme, diced
  • 1 teaspoon fresh tarragon, diced
  • 1/2 teaspoon sea salt
  • 1 cup shredded gruyere cheese

Instructions

  1. Preheat oven to 400 degrees.
  2. Spray the bottom of a 13×9″ baking dish with Cooking Spray. Set aside.
  3. Using a mandoline, slice sweet potatoes to 1/3″ thick. (if you do not have a mandoline, use a very sharp knife to slice)
  4. Add half the sweet potatoes to the greased baking dish.
  5. In the meantime, heat a small sauce pan to medium high heat. Add butter and shallots to pan. Saute until translucent, about 3-4 minutes. Next add in the garlic and saute for 30 seconds. Then add in the heavy cream, milk, fresh thyme, fresh tarragon, and sea salt and stir. Bring a boil and then remove from heat.
  6. Pour half the milk mixture over the sweet potatoes. Top with half the gruyere cheese.
  7. Add another layer of the remaining sweet potatoes, top with remaining milk mixture and cheese.
  8. Cover with tin foil.
  9. Bake for 30 minutes.
  10. Remove the tin foil and bake an additional 25-30 minutes, or until sweet potatoes are tender.
  11. Optional: Top with a garnish of fresh thyme.

Notes

  • Recipe inspired by The Iron You
  • To store. You can keep sweet potato gratin in an airtight container in the fridge for 3-4 days. I don’t recommend trying to freeze it, as the texture of the potatoes will not hold up.
  • To reheat. If you don’t really mind a slight change in texture, simply use the microwave. Or, preheat the oven to about 350 degrees, and bake the casserole until it is warmed through.

Nutrition

  • Serving Size: 2/3 cup
  • Calories: 157
  • Sugar: 7 g
  • Sodium: 216 mg
  • Fat: 9 g
  • Carbohydrates: 15 g
  • Fiber: 2 g
  • Protein: 5 g
  • Cholesterol: 30 mg

Find it online: https://www.joyfulhealthyeats.com/cheesy-scalloped-sweet-potatoes-casserole/