In a large bowl mix:
1-1/4 C flour
1-1/4 tsp. salt
1-1/4 tsp. onion powder
3/4 tsp. dry mustard
1 -1/4 tsp. garlic powder
1-1/4 tsp. black pepper
Seperate dry mix into two bowls.
In a seperate bowl mix:
4 eggs
4 C milk
Now you should have three bowls. Put whatever you are going to deep fry into 1st bowl of dry mix. Shake off a little and put in bowl of milk & egg. Then put in 2nd bowl of dry mix.
Deep Fat fry.