Sring Beans in Vegetable Loaf

1 cup finely cut string beans
1/2 cup diced carrots
1/2 cup finely cut celery
1/2 cup cooked rice
1 egg well beaten
3 tablespoons butter
Salt to taste
2 tablespoons chopped nuts
1/2 cup white sauce
1/4 cup buttered crumbs
1/2 teaspoon vetsin

Cook beans 15 minutes in 1 cup boiling slated water, adding carrots and celery. Boil down rapidly so that little water is left. Drain. Add rice, egg, butter, salt, vetsin, nuts and white sauce. Shape into loaf. Place into buttered pan; cover with buttered crumbs. Bake in hot oven until lightly brown. Serve with tomato sauce.