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Sweet Potato Gratin with Smoked Gouda and Rosemary

Savory Sweet Potato Gratin with Smoked Gouda and Rosemary

This Sweet Potato Gratin with Smoked Gouda and Rosemary combines creamy texture with savory and sweet flavors, perfect for festive gatherings.
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Prep Time 20 minutes
Cook Time 1 hour 5 minutes
Resting Time 15 minutes
Total Time 1 hour 40 minutes
Servings: 8 servings
Course: Casserole
Cuisine: American
Calories: 350
Ingredients Equipment Method Nutrition Notes

Ingredients
  

For the Gratin
  • 2 large Sweet Potatoes Peeled and thinly sliced
  • 3 tablespoons Butter Or olive oil for dairy-free
  • 2 cloves Garlic Minced
  • 1 medium Red Onion Diced
  • 1/4 cup All-Purpose Flour Or gluten-free flour blend
  • 1 cup Heavy Cream Or coconut cream for dairy-free
  • 1 cup Half and Half or Whole Milk Or almond milk for non-dairy
  • 1 tablespoon Fresh Rosemary Chopped, or dried rosemary
  • 1 teaspoon Smoked Paprika
  • 1 teaspoon Ground Sage
  • 1/4 teaspoon Freshly Grated Nutmeg Or ground nutmeg
For the Cheeses
  • 1 cup Asiago Cheese Grated, or Parmesan
  • 1 cup Smoked Gouda Cheese Shredded
  • 1/2 cup Colby Jack Cheese Shredded, or mild cheddar

Equipment

  • Medium saucepan
  • Mandoline or sharp knife
  • 9×13-inch baking dish
  • Aluminum foil

Method
 

Step-by-Step Instructions
  1. Preheat your oven to 400°F (200°C).
  2. Melt 3 tablespoons of butter in a medium saucepan over medium heat. Add minced garlic and diced red onion, sauté for about 5 minutes until softened.
  3. Stir in 1/4 cup of all-purpose flour and cook for 1 minute. Gradually whisk in 1 cup of heavy cream and 1 cup of half-and-half until thickened, about 3-4 minutes.
  4. Mix in 1 cup of grated asiago cheese, 1 tablespoon of fresh chopped rosemary, 1 teaspoon of smoked paprika, and 1 teaspoon of ground sage.
  5. Peel and thinly slice 2 large sweet potatoes into ⅜-inch rounds.
  6. Grease a 9x13-inch baking dish. Arrange half of the sweet potato slices, then pour half of the creamy sauce over them.
  7. Stir in 1 cup of shredded colby jack and half of the smoked gouda into the sauce, then pour over the layers. Sprinkle remaining gouda and 1/2 cup of colby jack on top.
  8. Cover the baking dish with aluminum foil and bake for 45-50 minutes.
  9. Remove foil and bake for an additional 15-20 minutes until golden brown.
  10. Let cool for 10-15 minutes before serving.

Nutrition

Serving: 1sliceCalories: 350kcalCarbohydrates: 30gProtein: 8gFat: 22gSaturated Fat: 12gPolyunsaturated Fat: 1gMonounsaturated Fat: 8gCholesterol: 40mgSodium: 600mgPotassium: 550mgFiber: 4gSugar: 5gVitamin A: 18000IUVitamin C: 20mgCalcium: 250mgIron: 1.5mg

Notes

Perfect for holiday gatherings, this gratin can be prepared ahead of time and stored in the refrigerator until ready to bake.

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