Chicken Lasagna Roll-ups

Name: Chicken Lasagna Roll-ups
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Cuisine: Italian
Ingredients: 4 chicken breasts cooked and shredded or 1 rotisserie chicken (I prefer rotisserie chicken because of its flavor.); 1 tsp salt*; 4 TBS butter; 1/4 cup onion minced; 1/4 cup bell pepper minced (red, yellow or orange. the sweeter variety); 1 garlic clove, minced; 1 roma tomato died small; 5 TBS flour; 4 cups broth*; 1/4-1/2 cup heavy cream; 3 cups mozzarella cheese; 12 cooked lasagna noodles