Preheat the oven to 350 degrees F. Grease a 9-inch by 9-inch pan using 1 tablespoon butter.
2 tablespoon Butter
In a bowl, add heavy cream, garlic powder, onion powder, black pepper powder, cayenne powder, and mix.
1 pint Heavy cream, 1 teaspoon Garlic powder, 1 teaspoon Onion powder, ½ teaspoon Black pepper powder, ¾ to 1 teaspoon Salt, ¼ teaspoon Cayenne powder
Add a layer of thinly sliced potatoes, edges overlapping, into the greased baking pan. Top it with ⅓ portion of the cream mixture. Follow this with ⅓ portion of cheddar and parmesan cheese.
1 cup Parmesan cheese, 1 cup Cheddar cheese, 4 medium Russet potatoes
Repeat the above process for two more layers.
Finally, dot the top with the remaining 1 tablespoon of butter.
2 tablespoon Butter
Cover the pan with aluminum foil and bake this for 55 minutes covered.
Remove the foil and bake uncovered for an additional 10 minutes or until lightly browned and a knife pierces easily through the potatoes.
Remove from the oven and rest it for 10 minutes.
The best potatoes au gratin recipe is ready. Serve warm for your dinner, and enjoy.
1 tablespoon Fresh herb