I have made this recipe for at least 25 years. I have added everything from Garlic to Kielbasa. 

My husband loves this recipe as well.
Today I will be making this dish in my crock pot for the first time. I'm debating if I should just add the flour & milk (stirred together first) to my crock pot without cooking it first in a saucepan?
I should be able to add the cheese in layers. I work/live in a motor home 80% of the time and space as well as time is at premium.
Any comments on this?