Mini Croissant Kentucky Hot Brown Casserole

Name: Mini Croissant Kentucky Hot Brown Casserole
Ingredients: cooking spray; 8 slices bacon (lower-sodium) (cut into lardons (1/4 matchsticks)); 8 mini croissants (sliced in half); 8 ounce deli turkey (lower-sodium) (sliced as thick as you like); 1 cup cherry tomatoes (halved); 1 tablespoon unsalted butter; 2 tablespoon all purpose flour; 2 tablespoon bourbon; 1½ cups milk (2% or whole) (warmed); 1 dash nutmeg; 6 ounce gruyere cheese (shredded, divided); kosher salt + fresh cracked black pepper; 1 tablespoon fresh thyme leaves