Onion Parmesan Gratin

READY IN: 15mins
Recipe by Kittencalrecipezazz

I suggest doubling this recipe, this is a fantastic side dish to beef.

Top Review by Lauri

Just perfect! We used nutmeg rather than cloves, but otherwise followed the directions exactly. We served this with grilled steaks and received rave reviews. Delicious!

Ingredients Nutrition


  1. Slice the onions in half lenghwise, then cut crosswise into thin slices.
  2. In a large skillet melt butter, then add in onions, thyme, cloves, pepper and salt; cover with lid and saute until the onions are very soft (about 10-12 minutes) adjust the salt to taste (do not add in too much salt as the Parmesan is salty!).
  3. Transfer the onions to a buttered gratin dish or small casserole dish and smooth it out with a spoon.
  4. At this point you can cover and let sit at room temperature to broil later.
  5. Preheat the broiler.
  6. In a small bowl whisk together egg yolks and whipping cream, the stir in Parmesan cheese.
  7. Pour the mixture over the onions in the baking dish.
  8. Place under the broiler (about 2-inches from heat).
  9. Broil until the top is golden.
  10. Serve immediately.

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