• 1 bundle of fresh thyme
  • 2 cups of heavy cream
  • Kosher Salt
  • 3 cloves of smashed garlic
  • Pinch of Cayenne
  • 2 pounds of peeled and thinly sliced turnips
  • 1 pound of peeled and thinly sliced sweet potatoes
  • ½ stick butter and more for greasing
  • 1 ½ cups of grated Parmigiana – Reggiano

Bobby Flay is an American chef specializing in Mexican and Southwest cooking styles. The sweet potato turnip gratin is a delicious dish from Bobby Flay and pals’ Christmas collection. It is the perfect dish for family Christmas gatherings.


  1. Firstly, preheat the oven to 375 degrees F. Season the garlic cloves, cream, thyme, cayenne with salt in a saucepan. Bring the mixture to boil and turn the heat off and after that let the mixture steep for about 15 – 20 minutes.
  2. Layer the baking dish with 1/3 of the sliced turnips after greasing the dish. Take 1/6 of the grated cheese and dust it over the mixture also take 1/6 of butter to scatter over the mixture.
  3. Pour in 1/6 of the cream into the turnip after removing thyme and garlic from it. Create 5 more layers of turnip and sweet potato.
  4. Place the dish on a baking sheet and bake it for 30 – 45 minutes after covering it with a foil. Then bake it again for 20 more minutes, till it cooks well and turn golden brown. Let the dish rest for 20 minutes and serve.


Use a Mandolin for slicing turnips and sweet potatoes very thinly.


Don’t over bake the dish, only till a fork slide in and out it.