These baked ham and cheese party sandwiches are perfect for any gathering. They are easy to make and packed with flavor, thanks to the delicious combination of ham and swiss cheese. The buttery topping with dijon mustard, poppy seeds, and minced onion adds an extra layer of taste that will have your guests coming back for more.
While most of the ingredients for this recipe are common, you might need to check your pantry for poppy seeds and dijon mustard. These ingredients add a unique flavor and texture to the sandwiches. If you don't have them at home, you can easily find them in the spice and condiment aisles of your local supermarket.

Ingredients for Baked Ham and Cheese Party Sandwiches
Hawaiian rolls: Soft, sweet rolls that are perfect for these sandwiches.
Ham: Sliced deli ham adds a savory flavor.
Swiss cheese: Melts beautifully and pairs well with ham.
Butter: Adds richness and helps to brown the tops of the sandwiches.
Dijon mustard: Provides a tangy kick to the buttery topping.
Poppy seeds: Adds a slight crunch and visual appeal.
Minced onion: Enhances the flavor with a mild onion taste.
Worcestershire sauce: Adds depth and umami to the topping mixture.
Technique Tip for Making These Sandwiches
When preparing the butter mixture for the sandwiches, make sure to thoroughly mix the dijon mustard, poppy seeds, minced onion, and worcestershire sauce into the melted butter. This ensures that each sandwich gets an even distribution of flavors. Additionally, when pouring the mixture over the sandwiches, use a pastry brush to spread it evenly, ensuring that the tops and sides are well-coated for a more flavorful and crispy finish.
Suggested Side Dishes
Alternative Ingredients
hawaiian rolls - Substitute with slider buns: Slider buns have a similar size and texture, making them a good alternative for mini sandwiches.
hawaiian rolls - Substitute with dinner rolls: Dinner rolls can provide a slightly different but still soft and fluffy texture.
sliced deli ham - Substitute with turkey slices: Turkey slices offer a leaner option with a similar texture and flavor profile.
sliced deli ham - Substitute with roast beef slices: Roast beef provides a richer, more robust flavor for a different taste experience.
swiss cheese - Substitute with provolone cheese: Provolone has a mild flavor and melts well, similar to Swiss cheese.
swiss cheese - Substitute with cheddar cheese: Cheddar offers a sharper taste and also melts nicely, adding a different flavor dimension.
melted butter - Substitute with olive oil: Olive oil can provide a healthier fat option while still adding richness.
melted butter - Substitute with margarine: Margarine can be used as a direct substitute for butter in most recipes.
dijon mustard - Substitute with yellow mustard: Yellow mustard has a milder flavor but can still provide the necessary tang.
dijon mustard - Substitute with honey mustard: Honey mustard adds a touch of sweetness along with the tanginess.
poppy seeds - Substitute with sesame seeds: Sesame seeds offer a similar crunch and visual appeal.
poppy seeds - Substitute with chia seeds: Chia seeds can provide a similar texture and are also nutritious.
minced onion - Substitute with onion powder: Onion powder can provide the onion flavor without the texture.
minced onion - Substitute with shallots: Shallots offer a milder, slightly sweeter onion flavor.
worcestershire sauce - Substitute with soy sauce: Soy sauce provides a similar umami flavor with a slightly different profile.
worcestershire sauce - Substitute with balsamic vinegar: Balsamic vinegar adds a tangy, slightly sweet flavor that can complement the other ingredients.
Alternative Recipes Similar to This One
How to Store or Freeze These Sandwiches
- Allow the baked sandwiches to cool completely before storing. This prevents condensation, which can make the bread soggy.
- Wrap each sandwich individually in plastic wrap or aluminum foil. This ensures they stay fresh and prevents them from sticking together.
- Place the wrapped sandwiches in an airtight container or a resealable plastic bag. This helps maintain their flavor and texture.
- Store the container or bag in the refrigerator if you plan to consume the sandwiches within 3-4 days. This keeps the ham and cheese fresh.
- For longer storage, place the wrapped sandwiches in a freezer-safe bag or container. Label with the date to keep track of freshness.
- Freeze the sandwiches for up to 2 months. This ensures they retain their quality and are safe to eat.
- To reheat, thaw the sandwiches in the refrigerator overnight if frozen. This helps them heat evenly.
- Preheat your oven to 350°F (175°C). Place the sandwiches on a baking sheet and cover with aluminum foil to prevent drying out.
- Bake for 10-15 minutes or until the cheese is melted and the sandwiches are heated through. This brings back their fresh-from-the-oven taste.
- Alternatively, you can reheat individual sandwiches in the microwave. Place on a microwave-safe plate and cover with a damp paper towel. Heat on medium power for 1-2 minutes or until warm.
How to Reheat Leftovers
Preheat your oven to 350°F (175°C). Place the leftover baked ham and cheese party sandwiches on a baking sheet. Cover them with aluminum foil to prevent them from drying out. Bake for about 10-15 minutes, or until they are heated through and the cheese is melty.
If you're in a hurry, use the microwave. Place the sandwiches on a microwave-safe plate and cover them with a damp paper towel. Heat on medium power for 1-2 minutes, checking halfway through to ensure they are warming evenly. Be cautious not to overheat, as the bread can become rubbery.
For a crispier option, use a toaster oven. Preheat the toaster oven to 350°F (175°C). Place the sandwiches on the rack or a baking sheet and heat for about 10 minutes, or until the cheese is melted and the tops are golden brown.
If you have an air fryer, preheat it to 320°F (160°C). Place the sandwiches in the basket, making sure they are not overcrowded. Heat for about 5-7 minutes, checking halfway through to ensure even heating. This method will give you a nice, crispy exterior.
For a stovetop method, use a skillet over medium-low heat. Place the sandwiches in the skillet and cover with a lid. Heat for about 3-5 minutes per side, or until the cheese is melted and the sandwiches are warmed through. This method will give you a slightly toasted finish.
Best Tools for Making These Party Sandwiches
Oven: Used to bake the sandwiches at the specified temperature, ensuring they are heated through and the tops are golden brown.
Baking dish: Holds the sandwiches in place while they bake, allowing for even cooking.
Knife: Used to cut the Hawaiian rolls in half horizontally.
Mixing bowl: Used to combine the melted butter, dijon mustard, poppy seeds, minced onion, and Worcestershire sauce.
Whisk: Helps to thoroughly mix the ingredients for the sauce.
Aluminum foil: Covers the baking dish to prevent the sandwiches from browning too quickly during the initial baking period.
Measuring cups and spoons: Ensures accurate measurement of ingredients like butter, mustard, poppy seeds, minced onion, and Worcestershire sauce.
Spatula: Useful for spreading the sauce mixture evenly over the sandwiches.
Cutting board: Provides a safe surface for cutting the rolls.
How to Save Time on Making These Party Sandwiches
Prepare ingredients ahead: Pre-slice the ham and cheese and mix the butter mixture the night before to save time.
Use pre-sliced rolls: Buy pre-sliced hawaiian rolls to skip the step of cutting them in half.
Line the baking dish: Use parchment paper to line the baking dish for easy cleanup.
Assemble in batches: Layer the ham and cheese on multiple rolls at once to speed up assembly.
Preheat the oven: Make sure the oven is preheated before you start assembling the sandwiches to reduce waiting time.

Baked Ham and Cheese Party Sandwiches
Ingredients
Main Ingredients
- 12 units Hawaiian rolls
- 1 lb Deli ham sliced
- 12 slices Swiss cheese
- ½ cup Butter melted
- 1 tablespoon Dijon mustard
- 1 tablespoon Poppy seeds
- 1 tablespoon Minced onion
- 1 teaspoon Worcestershire sauce
Instructions
- Preheat oven to 350°F (175°C).
- Cut the rolls in half horizontally. Place the bottom halves in a baking dish.
- Layer the ham and cheese on the bottom halves of the rolls. Place the top halves back on.
- In a bowl, mix together the melted butter, Dijon mustard, poppy seeds, minced onion, and Worcestershire sauce.
- Pour the mixture evenly over the sandwiches.
- Cover the baking dish with aluminum foil and bake for 15 minutes. Remove the foil and bake for an additional 5 minutes, or until the tops are golden brown.
- Serve warm and enjoy!
Nutritional Value
Keywords
Suggested Main Courses and Desserts for This Recipe
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