in a large bowl mix the mushroom soup and the milk.
Add the black pepper, worcestershire, and cajun seasoning and mix until combined and all lumps have been dissolved.
Drain the green beans and add them to the mix along with hald of the bag of fried onions. Mix well to combine.
Place into an 8×8 pan or an 8″ cast iron skillet and bake at 350 for 30 minutes or until bubbly. Add the rest of the fried onions and bake for 5 more minutes. Serve and enjoy!