Ingredients
1 package dinner rolls (12)
1 tablespoon steak seasoning
1 pound thinly sliced deli roast beef
8 ounces shredded processed Cheddar cheese
4 ounces shredded provolone cheese
1/4 cup chipotle mayonnaise
2 scallions, white and green parts, chopped
1/2 cup (1 stick) unsalted butter, melted
2 tablespoons onion pulp (grated on a rasp)
2 tablespoons grated Parmesan cheese
1 tablespoon Worcestershire sauce
1/2 teaspoon red chili flakes
12 pickled sweet or hot pepper slices