Tecky'S Tuna Noodle Casserole
["8 oz. pkg. egg noodles", "14 oz. tuna (drained)", "1 1/2 c. sour cream", "3/4 c. milk", "1/3 c. chopped onion (optional)", "1/4 c. shredded Cheddar cheese", "1/8 tsp. salt", "1/8 tsp. pepper", "1 1/2 c. croutons", "1/2 c. shredded Cheddar cheese"]
["Cook noodles, drain and return to pan.", "Stir in tuna, sour cream, milk, onion, 1/4 cup cheese, salt and pepper.", "Pour into 2-quart casserole dish.", "Top with croutons.", "Put about 5 or 6 dabs of butter around the top of the croutons.", "Completely cover croutons with shredded Cheddar cheese.", "Bake, uncovered, 40 minutes at 350\u00b0."]
["egg noodles", "tuna", "sour cream", "milk", "onion", "Cheddar cheese", "salt", "pepper", "croutons", "Cheddar cheese"]