Instructions: Cook pasta according to package directions, drain. Meanwhile, in large bowl, stir together sour cream, mayonnaise, Parmesan cheese, milk and mustard. Salt & pepper to taste. Add hot pasta, tuna, broccoli, red peppers and green onion; stir until evenly blended. Place tuna mixture in 2 qt. baking dish. Cover; bake 40-45 min. or until hot and bubbly.

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