Autumn Vegetables Au Gratin recipe.

Ingredients
3 cups diced rutabaga
3 cups diced peeled potatoes
2 cups sliced carrots
6 tablespoons butter or margarine, divided
2 tablespoons all-purpose flour
1/2 teaspoon salt
1/2 teaspoon pepper
1/4 teaspoon ground nutmeg
3/4 cup shredded Cheddar cheese, divided
1 cup soft bread crumbs

Directions
Place rutabagas in a large saucepan or Dutch oven; cover with water. Bring to a boil. Reduce heat; cover and simmer for 25 minutes. Add potatoes. Bring to a boil. Reduce heat; cover and simmer for 5 minutes. Add carrots. bring to a boil. Reduce heat; cover and simmer 15 minutes longer or until vegetables are crisp-tender. Drain, reserving 1 cup liquid.
In a large saucepan, melt 3 tablespoons butter. Stir in flour, salt, pepper and nutmeg until smooth. Add milk and reserved cooking liquid. Bring to a boil; cook and stir for 2 minutes or until thickened. Reduce heat. Stir in 1/4 cup cheese until melted. Add vegetables; toss to coat.
Transfer to a greased 2-qt. baking dish. Melt the remaining butter in a small skillet. Add bread crumbs; cook and stir for 3-4 minutes or until lightly browned. Sprinkle over vegetables; top with the remaining cheese. Bake, uncovered, at 350 degrees F for 25-30 minutes or until bubbly around the edges.