1 c. Miracle Whip
1/2 c. flour
2 c. milk
1 (10 oz.) pkg. frozen peas
2 tbsp. chopped onion
1 (6 oz.) can chow mein noodles

Combine Miracle Whip and flour gradually; add milk. Cook over low heat, stirring constantly, until thickened. Add peas, tuna and noodle mixture. Place in 1/2 quart casserole dish. Top with tuna and remaining noodles. Bake at 350 degrees for 25 minutes.