Sausage Croissant Breakfast Casserole

Name: Sausage Croissant Breakfast Casserole
Ingredients: 1 lb Ground Pork Breakfast Sausage; 8 Large Croissants ((Broken into large pieces)); 8 Eggs; 2 Cups Heavy Cream; ½ Cup Chopped Yellow Onion; ½ Cup Chopped Green Pepper; ½ Cup Chopped Red Pepper; Kosher Salt and Black Pepper; 1 Teaspoon Paprika; 2½ Teaspoon Freshly Chopped Sage; 1 Teaspoon Freshly Chopped Thyme; 1 Cup Freshly Shredded Sharp Cheddar Cheese; 1 Cup Freshly Shredded Smoked Gouda Cheese; Chopped Chives, Optional; Non-stick Cooking Spray; Unsalted Butter