1 1/2 c. crushed potato chips
1 (6 1/2 or 7 oz.) can tuna, drained
1 c. peas, drained
1 (10 1/2 oz.) can cream mushroom soup
1 c. milk

Combine all ingredients, except 1/2 cup chips. Turn into 1 1/2 quart casserole. Border with remaining chips. Bake at 350 degrees for 50- 60 minutes.