Bit o' Irish Casserole

1 (8 ounce) package medium size noodles
1 (12 ounce) can corned beef, cubed
1/2 pound Cheddar cheese, cubed
1/2 cup milk
1 can cream of chicken soup
1 (10 ounce) package frozen peas, rinsed with hot water and drained
1 (3 1/2 ounce) 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 2-quart casserole. Bake uncovered at 425 degrees F for 15 to 20 minutes. During last 2 minutes of baking, sprinkle onions over top.