Boil the water in a soup pot. Add the broccoli, blanch for 30-40 seconds.
Remove the broccoli from the pot and immediately submerge in ice-cold water for 30 seconds or until cooled. Transfer to a strainer, drain completely.
In a bowl, add drained broccoli, mayonnaise, Colby Jack cheese, onion, carrot, Dijon mustard, turkey bacon, dried cranberries, candied walnuts, salt, and pepper, mix until well combined.