Lightly season chicken with salt and pepper.
In a freezer bag, marinade the chicken in oil and 1/2 cup of the hot sauce for at least 4 hours.
Preheat oven to 400 and preheat grill on high.
On high heat, grill chicken until it's done and set aside.
Boil some water and cook the macaroni noodles, it's best if they're undercooked just a little bit.
While the macaroni is cooking, melt the butter in a medium sauce pan over medium heat.
Add the flour and whisk so it's well blended and starts to bubble.
Add the milk and slowly heat so it starts to bubble, whisking often.
Whisk in the hot sauce and salt.
Add the cheddar cheese and mix until it's melted and smooth.
Pour over the macaroni noodles and mix until evenly coated.
Pour into a 9x13 baking disk.
Chop up the chicken and place on top of the mac and cheese.
Top the chicken with the blue cheese.
Bake uncovered for 10-15 minutes.