Italian Sub Sliders with Mozzarella are my go-to when I want that classic deli-sandwich flavor in a warm, shareable pan of sliders. You get the salty mix of Italian meats, melty cheese, and those tangy pepperoncini all tucked into soft rolls.
What makes this version especially good, for me, is the herbed garlic butter on top and the quick homemade Italian dressing drizzled in at the end. It keeps the sliders from tasting heavy, and it gives you that true “sub shop” bite.
I like these for easy lunches, casual get-togethers, and nights when I want something warm that doesn’t require a bunch of sides. They’re also great when you want a make-ahead option that still feels fresh once you add the lettuce and tomato.
Why You’ll Love This Recipe
Hot and melty: The mozzarella turns perfectly soft and stretchy, and the deli meats warm up just enough without drying out.
That tangy bite: Pepperoncini and a quick Italian dressing keep the flavor sharp and bright, like a real Italian sub.
Easy to serve: Everything bakes in one 9×13 dish, and you can slice straight into sliders for a platter.
Make it your way: Swap the cheese, add onions, go heavier on pepperoncini, or make it spicy with crushed red pepper.
Works for a group: You get a full batch at once, so it’s a solid option when you need food that disappears fast.
Ingredients You’ll Need
Sliders
- Slider rolls: Soft rolls are best here because they soak up a little butter without getting tough. Hawaiian-style slider rolls work fine too.
- Ham: I like a thin-sliced deli ham so it layers easily and doesn’t fight the bite.
- Salami: Regular Genoa salami is what I usually grab, but any deli salami you like is fine.
- Pepperoni: Adds that classic Italian-sub flavor and a little extra spice. If your pepperoni is thick-cut, just use fewer layers.
- Mozzarella slices: Sliced mozzarella gives you nice even coverage and melts cleanly. Provolone is also really good here.
- Iceberg lettuce: This is the crisp factor. I stick with iceberg for that cold, crunchy “sub” feel.
- Tomato: Use a tomato that actually tastes like something—vine-ripened or Roma both work well.
- Pepperoncini: The jarred kind is perfect. Drain well so the rolls don’t get soggy.
- Mayonnaise: A thin layer helps everything hold together and gives a little richness under the meats.
Italian dressing
- Olive oil: Use whatever you cook with most often. Extra virgin is great, but it doesn’t need to be fancy.
- Red wine vinegar: This gives the dressing its punch. If you like it extra tangy, add a small splash more.
- Dried oregano: This is the main “Italian sub” flavor in the dressing, so don’t skip it.
- Garlic powder: I like powder here because it blends in quickly without needing time to mellow.
- Onion powder: Rounds out the dressing and keeps it from tasting too sharp.
- Kosher salt: Start light if your deli meats are salty, then adjust after tasting.
- Black pepper: Freshly ground is nice, but regular pepper is totally fine.
Garlic butter topping
- Unsalted butter: Unsalted gives you more control since the meats and Parmesan add salt on their own.
- Parmesan: Use finely grated so it melts into the butter and doesn’t clump on top.
- Italian seasoning: An easy shortcut for that herby, baked-sub top.
- Minced garlic: Fresh is best here. If you’re sensitive to garlic bite, use a little less.
- Parsley (optional): Mostly for a little freshness and color. I add it when I have it.
Recipe Instructions
- Preheat the oven: Heat the oven to 350°F.
- Make the dressing: Whisk the olive oil, red wine vinegar, oregano, garlic powder, onion powder, salt, and black pepper in a small bowl, then set it aside.
- Slice the rolls: Slice the rolls horizontally, keeping the tops and bottoms connected if you can, then set the bottom slab into a 9×13 baking dish.
- Spread the mayonnaise: Spread mayonnaise on the cut side of the tops or the bottoms (whichever is easier for you).
- Add the meats: Layer the ham, salami, and pepperoni evenly over the bottom rolls.
- Add the cheese: Lay the mozzarella slices over the meat so the whole surface is covered.
- Add the pepperoncini: Scatter the drained pepperoncini over the cheese.
- Top the rolls: Place the top slab of rolls back on.
- Mix the butter: Stir the melted butter with Parmesan, Italian seasoning, minced garlic, and parsley (if using).
- Brush the tops: Brush the garlic butter mixture evenly over the tops of the rolls.
- Bake covered: Cover the dish tightly with foil and bake for about 10 minutes, until the cheese is melted.
- Bake uncovered: Remove the foil and bake about 5 minutes more, until the tops are golden.
- Add the veggies: Let the sliders rest for 5 minutes, then lift the tops and add the shredded lettuce and sliced tomato.
- Dress and serve: Drizzle the dressing over the lettuce and tomato, close the sliders, slice into portions, and serve warm.
Some of my tips!
This is the part that really makes a difference. If you only read one section, make it this one because this is where I share the little trick that helps the recipe turn out so well.
Recipe Tips & Tricks
Add lettuce and tomato only after baking. They get limp fast in the oven. Keeping them cold and crisp is what makes these taste like a real sub.
Drain the pepperoncini well. A quick shake in the colander helps a lot. Too much liquid can make the bottoms of the rolls soggy.
Cover tightly with foil at first. You want the cheese to melt before the tops get too brown. If your foil is loose, the tops can dry out.
Use provolone if you want a sharper sandwich. Mozzarella is mild and super melty, but provolone gives more of that deli flavor. A mozzarella-provolone blend is a nice middle ground.
Go spicy if that’s your thing. A little crushed red pepper mixed into the butter is enough to wake everything up without changing the whole recipe.
Make some touches!
There are plenty of easy ways to serve this depending on the occasion. Keep it simple, or add a few small touches to make it feel a little more special.
Serving Suggestions
- Pasta salad: A simple Italian pasta salad with olives and a little vinaigrette is great with these. I like it cold next to the warm sliders.
- Chips and pickles: Keep it deli-style with kettle chips and a pickle on the side. It’s easy and it fits the sandwich vibe.
- Simple salad: A chopped romaine salad with cucumbers and a light dressing works well. Something crisp is nice with the buttery tops.
- Soup: Tomato soup or a light minestrone makes this feel like a full lunch. It’s especially good on cooler days.
Save it for later
This section covers how to store leftovers and what parts of the recipe you can prepare ahead of time.
Storage and Make Ahead
Store leftovers covered in the fridge for up to 4 days. I usually keep them as a slab if I can, because they reheat a little more evenly that way.
To reheat, warm them in a 350°F oven until heated through, or microwave individual sliders for a quick option. If you microwave, the rolls will be softer, but it still tastes good.
You can also make this recipe ahead by assembling everything except the lettuce, tomato, and dressing, then refrigerating it for up to 8 hours. Bake when you’re ready, and add a few extra minutes if the dish is going into the oven cold.
If you want to freeze them, freeze the baked sliders without the lettuce, tomato, and dressing. Thaw in the fridge overnight, then warm in the oven until hot.
A few quick answers
This section covers a few extra details that may help before you head to the recipe card.
Recipe FAQs
Can I make these Italian sub sliders on Hawaiian rolls?
Yes. Hawaiian rolls work really well because they’re soft and they slice as one slab, which makes assembly easy. If you’re not into sweet rolls, use plain slider buns or soft dinner rolls instead.
Can I swap the mozzarella for another cheese?
Definitely. Provolone is the most classic swap, and a mozzarella-provolone blend is nice if you want more flavor but still want that mozzarella melt.
When should I add the lettuce and tomato?
Add them after the sliders bake. Lettuce and tomato get watery and limp in the oven, and the contrast of cold/crisp veggies with the warm sliders is the whole point.
Do I have to use pepperoncini?
No, but they add the tang that makes these taste like an Italian sub instead of just “hot deli sliders.” Banana peppers work too, and sliced red onion is a good add if you want more bite.
You might also like
Before you go, take a look at a few other recipes below the recipe card. They use similar ingredients in a different way and are worth saving too.
MORE DINNER RECIPES TO TRY
Italian Sub Sliders with Mozzarella
INGREDIENTS
Sliders
- 12 slider rolls
- 8 oz sliced ham
- 4 oz sliced salami
- 4 oz sliced pepperoni
- 8 oz mozzarella cheese slices
- 1 cup shredded iceberg lettuce
- 1 medium tomato sliced
- 1 4 oz jar sliced pepperoncini drained
- 2 tbsp mayonnaise.
Italian dressing
- 3 tbsp olive oil
- 1 1 2 tbsp red wine vinegar
- 1 tsp dried oregano
- 1 2 tsp garlic powder
- 1 2 tsp onion powder
- 1 4 tsp kosher salt
- 1 4 tsp black pepper.
Garlic butter topping
- 4 tbsp unsalted butter melted
- 1 tbsp grated Parmesan
- 1 tsp Italian seasoning
- 1 tsp minced garlic
- 1 tbsp chopped parsley optional.
INSTRUCTIONS
Prep and assemble
- heat oven to 350 F
- whisk olive oil red wine vinegar oregano garlic powder onion powder salt and pepper and set aside
- slice rolls horizontally keeping tops and bottoms connected and place bottoms in a 9x13 baking dish
- spread mayonnaise on the cut side of the tops or bottoms
- layer ham salami pepperoni and mozzarella evenly over the roll bottoms then add pepperoncini.
Bake and finish
- place roll tops on and brush with melted butter mixed with Parmesan Italian seasoning garlic and parsley
- cover tightly with foil and bake until cheese melts about 10 minutes
- uncover and bake until tops are golden about 5 minutes
- rest 5 minutes then lift tops and add lettuce and tomato
- drizzle with the dressing and close then slice into sliders and serve warm.
