PREHEAT oven to 400°F. Lightly spray a 2-qt. baking dish with non-stick cooking spray; set aside.
COOK noodles as package directs; drain and set aside.
MEANWHILE, whisk together broth, milk, flour, pepper and poultry seasoning in a small saucepan until no lumps appear. Cook over medium-high heat, whisking constantly, about 8 minutes, or until thickened.
GENTLY stir in noodles, tuna, peas and carrots, and pour into prepared baking dish.
BAKE 20 minutes or until bubbly; stir gently. Top with potato chips. Bake an additional 5 minutes or until light golden brown.