On bottom layer of the buns, place your sheet pan eggs
Add a layer of deli meat
Add sliced cheese
Add your optional toppings and place on top bun
Place top of buns on top of layered slider
Brush with butter and mustard mixture
Place sliders on sheet pan and place in oven for 8-10 minutes until cheese is melted
Remove sliders from oven and cut into individual sliders and serve.