1Heat oven to 425°F. Spray with cooking spray 8-inch square (2-quart) glass baking dish. In 10-inch skillet, cook sausage over medium-high heat, stirring frequently, until no longer pink; drain. In baking dish, mix sausage and frozen vegetables. In small bowl, mix broth and flour until smooth; pour over sausage mixture. Gently stir.
2Cover with foil; bake 35 to 45 minutes, stirring occasionally, until mixture is hot, bubbly and slightly thickened.
3Make potatoes as directed on pouch using water, milk and butter. Let stand 3 to 5 minutes. Spoon onto sausage mixture. Bake uncovered 8 to 10 minutes longer or until potatoes begin to brown.