01 -
Preheat the oven to 350°F (180°C).
02 -
In a small bowl, mix mayonnaise and creamy Italian dressing until fully combined.
03 -
Slice buns horizontally and place the bottom halves on a baking sheet or baking dish.
04 -
Spread the mayo-dressing mixture evenly over the bottom halves of the buns.
05 -
Layer ham, pepperoni, salami, and provolone cheese on top of the prepared buns.
06 -
Top with roasted red peppers and pepperoncinis, then place the top halves of the buns over the fillings.
07 -
Mix melted butter with Italian seasoning in a small bowl and spread evenly over the slider tops.
08 -
Cover the dish with aluminum foil and bake in the preheated oven for 18-20 minutes.
09 -
Optional: Brush the top buns with additional butter before serving.