Hasselback Potatoes Au Gratin

At their simplest, Hasselback Potatoes Au Gratin is made by slicing potatoes at regular intervals almost all the way through, then separating the ridges, adding cream, butter, and cheese between the ridges, and baking them until they're crisp and creamy. They come out of the oven crispy, cheesy, and full of flavor. This recipe is a must-try for any holiday table.

Prep Time40

Cook Time1 20

Total Time2

Course: Side Dish

Cuisine: American

Keyword: Hasselback Potatoes Au Gratin

Servings: people

Calories: 505kcal

Author: George - U Keep Cooking

Equipment

Large Baking Dish

Ingredients

2 Tbsp Butter
1 Med Onion (Minced)
3 Cloves Garlic (Minced)
1 Tsp Dried Thyme
2 Cups Heavy Cream
1/4 Tsp Black Pepper
1 Cup Gruyere Cheese Shredded
1 Cup Shredded Cheddar Cheese
1/2 Cup Parmesan Cheese Shredded
8 Med Potatoes Yukon Gold or Russet(peeled and sliced thin)

Instructions

Preheat oven to 400 Degrees F. Grease a shallow 2 qt oval or rectangular baking dish.
In a small saucepan melt butter and add the onions and garlic. Cook and stir until tender about 4-5 minutes. Remove from heat and add heavy cream, thyme, salt, and pepper. Add 3/4 cup gruyere, 3/4 cup cheddar, and 1/4 cup parmesan. Taste the sauce and check for saltiness. Add more salt if necessary.
Place the potato stacks on its side in the baking dish. Repeat with the remaining potato slices, working your way around the dish until it's tightly packed.
Pour the cheese mixture over the potatoes.
Cover with foil and bake for 30 minutes. Uncover and bake for 30 minutes more. Top with remaining cheeses and bake for about 20 minutes more.
Remove from the oven and top with optional crumbled crispy bacon pieces.

Nutrition