Easy Parmesan Onion Bake

READY IN: 45mins
Recipe by Kittencalrecipezazz

This is simple to make and really good! Add in fresh minced garlic if desired.

Top Review by judiemeador

I loved this for its speed, simplicity and flavor. To make it fit into my diet, I used fat free half and half. I made 1/4 recipe which fed two amYummy! ply. This is a definite make-again. I served it with grilled chicken, Kentucky style green beans with hull-outs and potatoes cooked on top, and Asian slaw with Mandarin oranges.

Ingredients Nutrition


  1. Set oven to 350 degree (oven rack to second-lowest position).
  2. Butter a 2-quart casserole dish.
  3. In a large skillet saute onions and celery in 3 tablespoons butter until softened and tender; remove to a bowl.
  4. In a saucepan melt remaining 4 tablespoons butter and stir in flour, salt and pepper until smooth.
  5. Gradually whisk in half and half cream; bring to a light boil, simmer for about 2 minutes whisking continuously until thickened.
  6. Pour over the onions/celery mixture; toss to coat.
  7. Transfer to prepared baking dish.
  8. Sprinkle with Parmesan cheese.
  9. Bake uncovered for about 20-25 minutes.

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