Sweet Potato Gratin

Fresh herbs add a lot of savory flavor to this sweet potato gratin layered with heavy cream and Gruyere cheese.

• Preparation Time: 25 mins
• Cooking Time: 35 mins
• Total Time: 60 mins
• Calories: 391 Calories

Ingredients

• ¾ teaspoon ground black pepper
• 2 cups heavy cream
• 2 cloves garlic, minced
• 1 ½ teaspoons sea salt
• cooking spray
• 1 ½ cups shredded Gruyere cheese
• 1 tablespoon minced fresh rosemary, or more to taste
• ½ stick unsalted butter
• 1 tablespoon chopped fresh parsley, or more to taste
• 1 tablespoon fresh thyme leaves, or more to taste
• 1 tablespoon minced fresh sage, or more to taste
• 3 pounds sweet potatoes, peeled and thinly sliced

Recipe Instructions

Step 1

Bake in the preheated oven until golden brown and bubbly, about 30 minutes.

Step 2

Preheat the oven to 400 degrees F (200 degrees C). Grease a baking dish with cooking spray.

Step 3

Combine cream, butter, and garlic in a saucepan. Bring to a simmer; remove from heat and mix in parsley, thyme, sage, rosemary, salt, and pepper.

Step 4

Arrange 1/2 of the sweet potato slices in the prepared baking dish; cover with 1/2 of the Gruyere cheese. Pour cream mixture on top. Arrange remaining sweet potato slices over the cream. Sprinkle remaining cheese on top.