Potato-Fennel Gratin

Total Time
1hr 55mins
Prep 25 mins
Cook 1 hr 30 mins

I adopted this recipe. The sauteed fennel and onion are a wonderful blend of flavors with the Gruyere cheese and potatoes. This is true comfort food stepped up a notch.

Ingredients Nutrition


  1. Preheat oven to 350.
  2. Butter inside of a 10x15x2-inch (10 cup) baking dish.
  3. Remove stalks and core of fennel, slice thinly crosswise.
  4. Saute fennel and onions in the olive oil and butter on Medium heat for about 15 minutes or until tender.
  5. Peel potatoes, slice thinly.
  6. Mix potatoes in a bowl with 2 cups cream and 2 cups Gruyere, salt, pepper and the sauteed onion/fennel mixture.
  7. Pour into baking dish, press down to smooth.
  8. Combine remaining 2 tbl cream and 1/2 cup Gruyere and sprinkle on top.
  9. Bake for 1 1/2 hours until potatoes are very tender, the top is browned and bubbly.
  10. Let set for 10-15 minutes before serving.
Most Helpful

Wonderfully tasty, easy to put together and great even for company. I love fennel and potatoes so this was a hit at my house!!

andreafortunoff January 02, 2013

OMG - if you want to impress friends and influence people - serve this up :) Delicious, rich and tasty - but easy to whip up - its a real treat.

Ya Ya Sister May 10, 2011

Wonderful recipe. We haven't used fennel very much, so this was a new taste sensation for us. Thank you ms_bold!

Akikobay January 23, 2010