Spring Vegetable Casserole recipes

Name: Spring Vegetable Casserole recipes
Ingredients: 1 sweet potato, peeled and diced; 2 medium-sized carrots, peeled and sliced; small bunch of asparagus (about 10 spears) tough spots discarded, cut into bite-sized pieces; ½ cup of green beans, cut into 1-inch pieces; 1½ cups of egg noodles; 3 tablespoons of butter; 3 tablespoons of all purpose flour; 1½ cups milk; 1½ cups finely grated parmesan cheese; 1 small onion, diced; 3 cloves of garlic, minced; salt; pepper; ½ cup panko breadcrumbs; 1 sprig of rosemary, chopped