Preheat oven to 350°F. Spray 9x13 baking dish with cooking spray.
Without separating rolls, slice entire slab horizontally.
Whisk eggs, milk, salt, and pepper. Scramble in large pan until just set.
Layer in baking dish:
Bottom half of rolls
Half of cheese
Scrambled eggs
Crispy bacon
Remaining cheese
Top half of rolls
Mix melted butter with garlic powder and dried parsley.
Brush tops with butter mixture, sprinkle with coarse salt.
Cover with foil, bake 10 minutes.
Uncover, bake 5 more minutes until golden.
Garnish with fresh herbs, serve warm.