Sweet and savory gratin packed with flavor and nutrition.
Prep Time::25 mins
Cook Time::35 mins
Total Time:: 1 hr
Servings::10
Yield::1 casserole
Ingredients
cooking spray
2 cups heavy cream
½ stick unsalted butter
2 cloves garlic, minced
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
1 tablespoon minced fresh rosemary, or more to taste
1 ½ teaspoons sea salt
¾ teaspoon ground black pepper
3 pounds sweet potatoes, peeled and thinly sliced
1 ½ cups shredded Gruyere cheese
Directions
Preheat the oven to 400 degrees F (200 degrees C). Grease a baking dish with cooking spray.
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.
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.
Bake in the preheated oven until golden brown and bubbly, about 30 minutes.
From the Editor
Please note that the Allrecipes magazine version uses 3/4 cup each cream and milk instead of 2 cups cream and is baked for an extra 15 minutes.