Place croissant pieces on jelly roll pan and place in oven to crisp for 10 minutes
Crack the eggs in a medium bowl and add the cream and milk. Whisk until combined together
Place the croissants in a medium baking pan and pour the egg mixture on top of the croissants. Flip the croissants around until the egg mixture coats the croissants
Place in the refrigerator for 3 hours
Near the end of the 3 hours, heat a small sauté pan and crisp the pancetta
Preheat the oven 350 F
Shred the gouda cheese and chop up some scallions
Take the baking pan out of the refrigerator and sprinkle the cheese on top, next sprinkle the onion and then the pancetta
Place pan in the oven and bake for 30 - 40 minutes
Scoop out a spoonful of croissant mixture onto your plate