Preheat oven to 350 degrees F.
In large skillet, over med high heat, brown Goolsby's Sausage, breaking it up as it cooks. Remove to bowl with slotted spoon. Set aside.
In same skillet, add onion and peppers. Cook on med high heat until onion is translucent and peppers are soft. Take off heat. Add sausage back in, along with marinara sauce and zesty Italian dressing. Stir to combine. Set aside.
Place the bottom half of the rolls in a disposable aluminum 9 x 13 pan. (or any size that fits the entire bottom half of the rolls).
Place 5 slices of provolone cheese (overlapping) over the top of bottom of rolls.
Spread sausage and peppers mixture evenly on top of provolone cheese.
Sprinkle with grated Parmesan cheese.
Place 5 slices of provolone cheese atop the sausage and peppers and Parmesan cheese mixture. Top with top half of rolls.
In small bowl, combine the melted butter, garlic, and dried parsley. Brush over the tops of the rolls. Cover pan tightly with foil.
Heat in oven for 15 to 20 minutes or until the sliders are heated through and the cheese is melted. Serve warm.