Bit o' Irish Casserole

1-8 oz pkg medium size noodles
1-12 oz can corned beef, cubed
1/2 lb Cheddar cheese, cubed
1/2 C milk
1 can cream of chicken soup
1-10 oz pkg frozen peas, rinsed with hot water and drained
1-3 1/2 oz can French-fried onions

Cook noodles in boiling, salted water until tender, drain.  Mix noodles lightly with remaining ingredients except French-fried onions. Put into buttered two-quart casserole.  Bake uncovered at 425 degrees for 15 to 20 minutes. During last two minutes of baking, sprinkle onions over top.