Guss Kitchen Sink Frittata Croissant Sandwich AKA Croissata

Name: Gus's Kitchen Sink Frittata Croissant Sandwich AKA Croissata
Ingredients: 8 slices bacon, chopped; 8 ounces bulk Italian sausage, chopped or crumbled; 12 large eggs; 3 tablespoons half-and-half; 1 cup cubed Asiago cheese (1/2-inch); 1 cup cubed provolone (1/2-inch); Kosher salt and freshly cracked black pepper; 4 fresh croissants, halved and lightly toasted; Giardiniera Chive Cream Cheese, recipe follows; 1 Roma tomato, thinly sliced; 1/4 cup regular or hot giardiniera; 1 cup cream cheese, at room temperature; 1 tablespoon minced fresh chives; 1 teaspoon honey; Kosher salt and freshly ground black pepper