Tuna Casserole

12 oz egg noodles
12 oz tuna
2 c. sliced mushrooms
1 c. peas
16 oz sour cream
1/2 c. mayo
2 tsp Dijon Mustard
1/2 tsp salt and pepper
1/2 c. shredded jack or swiss cheese

Cook noodles put in lg. bowl.
Fold in tuna, mushrooms and peas
Wisk sour cream, mayo, mustard, salt and pepper together in seperate bowl.
Fold into noodles.
Put in 4 qt. dish and cover w/ cheese.
Bake 350 for 30 min. till golden and bubbly.