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overhead view of baked scalloped sweet potatoes in a casserole dish.
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Scalloped Sweet Potatoes

These easy Scalloped Sweet Potatoes are a must-try with dinner! Sweet potatoes and a rich cheese sauce are baked together to leave you with the best creamy and comforting holiday side dish.
Prep Time15 minutes
Cook Time1 hour 15 minutes
Total Time1 hour 30 minutes
Course: Side Dish
Cuisine: American
Diet: Vegetarian
Keyword: Scalloped Sweet Potatoes
Servings: 8
Author: Erin Alvarez

Ingredients

  • 4 small or 2 large sweet potatoes peeled and sliced into ¼” rounds
  • 3 tbsp butter
  • 1 onion diced
  • 4 garlic cloves minced
  • 1 tbsp fresh thyme
  • 2 tsp salt
  • ¼ tsp black pepper
  • ½ cup broth chicken or vegetable
  • 1 cup milk
  • ¼ cup all purpose flour
  • 1 cup shredded gruyere cheese
  • 1 cup parmesan cheese freshly grated

Instructions

  • Preheat oven to 375°F and spray a 9x13 or similar size casserole dish with nonstick spray; set aside.
  • Melt the butter in a large, deep skillet over medium heat, then add the onion and sauté for 5-7 minutes until soft. Add the garlic, thyme, salt, and pepper and sauté for 1 minute.
  • Next, whisk the broth, milk and flour together in a bowl or glass measuring cup, then pour into the skillet. Simmer for 2-3 minutes, then remove the skillet from the heat. Allow the mixture to cool for 10-15 minutes.
  • While the mixture cools, peel and slice the sweet potatoes and set them into the prepared casserole dish. Next, grate the cheeses into a small bowl.
  • Once the 10-15 minutes is up, stir the cheeses 1 handful at a time into the onion mixture until smooth.
  • Use a large spoon to spoon the cheese mixture over the sweet potatoes, then use the back of the spoon to smooth it out.
  • Cover the dish with foil and bake for 45 minutes. Then, remove the foil and bake for an additional 10 minutes. Last, broil for 2-3 minutes.
  • Wait 10 minutes before slicing. Slice and enjoy!

Notes

*Calories are per serving and are an estimation

Nutrition

Calories: 183kcal | Carbohydrates: 6g | Protein: 10g | Fat: 13g | Saturated Fat: 8g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 4g | Trans Fat: 0.2g | Cholesterol: 38mg | Sodium: 1034mg | Potassium: 63mg | Fiber: 1g | Sugar: 1g | Vitamin A: 459IU | Vitamin C: 3mg | Calcium: 364mg | Iron: 1mg
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