4 1/2 c. (8 oz.) wide egg noodles
12 1/2 oz. tuna
1 c. EACH sour cream and mayonnaise
1/2 c. Parmesan cheese
1/2 c. milk
1 tsp. Dijon mustard
2 c. broccoli florets
1/2 c. red peppers
1/4 c. green onions
Mushrooms (optional)

Preheat oven to 350 degrees. Cook pasta; drain. Meanwhile, in large bowl, mix sour cream, mayonnaise, cheese, milk and mustard; salt and pepper to taste. Add pasta, tuna, broccoli and rest until blended. Put in large casserole dish. Cover and bake 40 - 45 minutes or until hot and bubbly.