Preheat the oven to 350°F. Line a baking sheet with parchment paper. Set aside.
Whisk together the eggs, sour cream, chopped chives, salt and black pepper. Melt 1 Tbsp of butter in a skillet and soft scramble the eggs. Set aside to cool slightly.
Allow the rolls to thaw enough on the counter to cut in half. Brush the top and bottom with butter.
To assemble: Sprinkle 1 cup of shredded cheese on the bottom half.
Arrange the eggs, crumbled sausage and remaining shredded cheese on the bottom piece..
Place the top piece over the filling and brush all over with melted butter. Sprinkle lightly with garlic salt.
Bake for 20 minutes or until golden. Serve immediately.