Preheat oven to 350ºF. In a large skillet over medium heat, melt butter. Sauté onion until soften. Add peppers and sauté for 3 minutes. Add mushrooms and cook for 3 minutes. Add garlic and sauté for 1 minute. Add flour and stir until vegetables are well coated. Pour broth and stir until well combined. Bring to a boil and cook for 2-3 minutes or until thickened. Reduce heat to low, add milk and condensed cream of mushroom. Cook mixture for 5 minutes.
Add turkey, peas, black pepper, rosemary, and sage; mix until combined. Add cooked pasta and stir well. Transfer mixture into a 9 x 13” baking dish coated with cooking spray. Cover with foil and bake for 20 minutes. Uncover, sprinkle with cheese, paprika and parsley. Return baking dish to the oven and bake for 5 to 10 minutes or until cheese is melted.