Potato Gratin with Caramelized Onions

Total Time
2hrs 30mins
Prep 20 mins
Cook 2 hrs 10 mins

Another Canadian Living mag. recipe I wanted to test for Thanksgiving dinner. Marvelous mouth watering potatoes and onion!! Half a recipe worked great!! and we will have it for Thanksgiving dinner.

Ingredients Nutrition


  1. In saucepan, bring cream, garlic, peppercorns, thyme and salt to boil, reduce heat to low, cover and simmer for 15 minutes.
  2. Remove from heat and set aside.
  3. Meanwhile, in nonstick frypan, heat oil over medium low heat; cook onion, stirring often, until light brown, about 45 minutes.
  4. Slice potatoes as thinly as possible, use mandoline if available.
  5. Layer one quarter of the potatoes in greased 8 inch square glass baking or casserole dish; top with one third of the onion and one quarter of the cheese.
  6. Repeat twice.
  7. Top with remaining potatoes.
  8. Strain cream mixture over potatoes, shaking casserole to distribute evenly; sprinkle with remaining cheese.
  9. Bake at 300f degree oven until tender and knife inserted in bottom pierces potatoes easily, 1 1/2 to 2 hours.
  10. (Make ahead: let cool; cover and refrigerate for up to 2 days. Reheat in 375f degree oven for 30 minutes.).


Most Helpful

oh wow! These are delicious scalloped potatoes. I do not care for thyme and left it out, followed the rest of the recipe using whole milk and using 2 red onions. I also probably used twice as much cheese (we are cheese lovers!). This recipe is delicious and it will be on my holiday table as well.

evelyn/athens December 13, 2003

s worst tasting scalloped potatos I ever had

probe11 August 07, 2013

This tastes just like it was made in Paris, very rich and fabulous; can't wait to make them again!

lpayne January 21, 2010

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