STREAMING NOW: No Reservations

Want more from Genius Kitchen?

Watch on your Apple TV, Roku, or Fire TV and your iOS, Fire, or Android device.

Learn More
“This au gratin potatoes recipe makes the best au gratin potatoes I have had yet.”
1hr 30mins

Ingredients Nutrition


  1. Preheat oven to 350°F.
  2. Boil potatoes until just tender, 20-25 minutes; drain.
  3. When cool enough to handle, peel and dice into 1/2 inch pieces.
  4. Put potatoes in 3 qt round casserole or rectangular baking dish.
  5. In a large saucepan, melt butter over medium heat.
  6. Add flour; stir while cooking, 1-2 minutes.
  7. Whisk in milk and add garlic.
  8. Season with salt and cayenne pepper.
  9. Stir in cheddar cheese and all but 2 tbs parmesan cheese.
  10. Add potatoes to sauce and stir to mix evenly.
  11. Pour into casserole dish.
  12. Sprinkle remaining parmesan cheese over top.
  13. Bake casserole 45 minutes or until potatoes are tender and dish is bubbling and lightly brown on top.
  14. Let stand 5 minutes before serving.

Watch more

Join the Conversation

  • all
  • reviews
  • tweaks
  • q & a