Deluxe Ham & Cheese Sandwiches - Num's the Word
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Deluxe Ham & Cheese Sandwiches

These Deluxe Ham & Cheese Sandwiches are the perfect way to use up your leftover ham. Yummy ham and Swiss cheese inside a flaky buttery croissant with a yummy topping make for a great lunch, dinner or appetizer! Serve these at your next picnic, potluck or game day party!

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Several years ago, my mother was telling me about a ham and cheese sandwich that was served at an event she attended.

She went on to tell me that there was a poppy seed dressing on top that really added some great flavor.

Never having had these Ham & Cheese Sandwiches before, I retold the account to my Mother-in-Law to see if she’d ever heard of them.

She too tells me that she’s had them before and that yes indeed they were tasty.

So I got thinking…Am I the only person who has never heard of these Deluxe Ham & Cheese sandwiches before?

I can’t be!

Because I wanted to see what all the hype was, I got the recipe from my mother.

After looking it over I quickly upgraded the bread to my favorite croissant and whipped up a large casserole dish full.

That night we my husband and I gobbled up three sandwiches each.  THREE!

We then ate 3 more for lunch the next day too.

Call us piggies if you must, but we really loved the flakiness of the crust and the yummy poppy seed dressing too.

Because we ate so many, I’m pretty sure that means they are good.

Wanting to make sure it wasn’t just us who loved these sandwiches, I whipped up another batch for a group of taste testers to try.

Every person who tried these said they would definitely eat them again.

At first I was worried about the flavor combination of poppy seeds and mustard.

Not to mention how those two flavors would mix with the ham and Swiss cheese too.

I had nothing to worry about because the flavor combination was a hit.

Each of the flavors compliment each other, making these something we all love.

These Deluxe Ham & Cheese Sandwiches are one of our favorite go to recipes when we have leftover ham.

Rather than freezing our leftover ham from Thanksgiving, Christmas or Easter, we like to transform it into a variety of recipes.

These Deluxe Ham &  Cheese Sandwiches are ALWAYS on the menu the day after making a ham.

These taste great with any flavor of ham and are so quick to toss together!

There really isn’t an event these wouldn’t work well at.

If you don’t have leftover ham, then don’t sweat it.

You can buy carving board ham in the packaged deli meat section or you can use deli ham too.

We prefer thicker slices of ham for these sandwiches but there is no right or wrong way.

I should also mention that you can use any kind of bread too.

Obviously, our favorite is a rich buttery croissant.

However we know many people who prefer to use Hawaiian Rolls or even traditional store bought rolls too.

No matter the preference on your bun choice or the style of your ham, I hope you’ll give these tasty sandwiches a try!

We love them and so far everyone we serve them to do as well!

Yield: 10 croissants

Deluxe Ham & Cheese Sandwiches

Prep Time 10 minutes
Cook Time 20 minutes
Total Time 30 minutes


  • 2 Tablespoons dried minced onion
  • 1 Tablespoon prepared mustard (we used yellow and the flavor was very mild)
  • 2 Tablespoons poppy seeds
  • 1/2 cup butter melted
  • 10 small croissants
  • 1/2 pound of sliced ham - Leftover or sandwich ham works great!
  • 1/2 pound Swiss cheese - or favorite cheese!


Preheat oven to 325*F
In a small bowl combine minced onion, mustard, poppy seeds and melted butter - let sit for 5 minutes.
Slice each croissant in half, not all the way so it hinges open.
Place 1 - 2 slices of ham inside each croissant.
Place 1/2 slice of Swiss cheese (or 1 slice folded over) on top of ham.
Place sandwiches into a 9x13 baking casserole dish close together. you'll want them touching but not on top of each other.
Spread 1 teaspoon of prepared poppy seed dressing inside each croissant
With remaining dressing, drizzle and smear it on top of each croissant.
Bake for 20 minutes or until cheese has melted.
Serve immediately while warm.



Originally Posted: April 9, 2014

Photos & Text Updated: May 2, 2018

20 thoughts on “Deluxe Ham & Cheese Sandwiches

  1. These sandwiches look wonderful. I like just about any sandwich made with a croissant and I love poppy seeds. I must try this. Pinned it so I’ll have the recipe when I need it!

    • Dawn, This is the PERFECT sandwich to serve! I say that because you can make them ahead of time and then pop them into the oven just before everyone arrives! Leaving you to focus on the mom to be and not the food! I hope everyone likes them!

  2. In similar recipes, 3 Tbs Worcestershire sauce is used in the topping mix….and is deliciously nice touch. 🙂

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