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Leftover Ham -n- Potato Casserole

Rated as 4.66 out of 5 Stars

"An easy cheesy dish that uses up that Christmas or Easter ham! My family looks forward to this one!"
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1 h 15 m servings 578
Original recipe yields 6 servings


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  1. Place potatoes into a large pot and cover with salted water; bring to a boil. Reduce heat to medium-low and simmer until tender, about 20 minutes. Drain.
  2. Preheat oven to 350 degrees F (175 degrees C).
  3. Grease a 1 1/2-quart baking dish.
  4. Melt 3 tablespoons butter in a skillet over medium heat. Stir in the ham and onion; cook and stir until the onion has softened and turned translucent, about 5 minutes.
  5. Stir potatoes into ham mixture; transfer to the prepared baking dish.
  6. Melt 1/4 cup butter in a saucepan over medium heat. Stir flour into melted butter until smooth.
  7. Gradually whisk milk into flour mixture; season with salt and black pepper. Continue cooking and stirring until thickened, about 2 minutes.
  8. Reduce heat to medium-low and stir Cheddar cheese into the white sauce until melted.
  9. Pour sauce over ham and potatoes.
  10. Sprinkle bread crumbs atop casserole.
  11. Bake in the preheated oven until sauce is bubbly and browned, 25 to 30 minutes.


  • Partner Tip
  • Reynolds® Aluminum foil can be used to keep food moist, cook it evenly, and make clean-up easier.

Nutrition Facts

Per Serving: 578 calories; 35.8 40.3 24.3 105 974 Full nutrition

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Read all reviews 291
  1. 361 Ratings

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Most helpful positive review

Made this with Easter ham from a week ago. - Oh what to do with all that left over ham. Made this and was skeptical. My family loved it - and they are very finikey. Yum! Clean plates - everyone...

Most helpful critical review

I thought this dish was OK, but nothing special. I pretty much made it exactly as written, except that I bought "new" ham instead of using leftovers, and I shredded my own Cheddar from a large b...

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Least positive

Made this with Easter ham from a week ago. - Oh what to do with all that left over ham. Made this and was skeptical. My family loved it - and they are very finikey. Yum! Clean plates - everyone...

This was a very tasty and hearty meal!! I was looking for a recipe to use for leftover ham and this one is a keeper! It's quick and easy and my fiance loved it. The only thing I changed was that...

Ultimate decadent comfort food! Too bad I only have leftover ham about twice/year! This recipe is basically the same as my au gratin potato recipe with the exception of adding the ham and cubi...

Yum! Very tasty. I changed things up a little based on another au gratin potato recipe I've made before. Used 4 T of flour and 2 C of milk to make a little more sauce. Used 2 C of shredded chees...

This was really good. I didn't boil the potatoes, I just cubed them and fried them in a skillet with some oil, diced onions, diced peppers, some garlic and a splash or two of chicken broth. Of c...

We tried this last night and I wish I had taken a photo to post bc it looked great. Slight changes just to speed it up. We used 2 cans of canned diced potatoes and a can of peas. It was delic...

I made this with leftover ham and veges from thanksgiving dinner. My husband is an avid casserole hater and he went back for seconds. He said he really liked this! I added some celery, carrots...

This recipe was great and utilized a few things that would have gone bad if I didn't use them soon (namely ham and potatoes). The only thing I did differently was add a bit more flavor for fear ...

I made this recipe with adding crushed red pepper as the only tweak. I found that 1/4 cup bread crumbs were quite generous. I added a picture.