La Comedia's Famous Sweet Potato Souffle Recipe!

Name: La Comedia's Famous Sweet Potato Souffle Recipe!
Cuisine: American
Ingredients: 4 cups mashed sweet potatoes; 1 cup sugar; 2 eggs; 1/2 cup milk; 1/2 tsp. salt; 1/3 stick butter or margarine (melted); 1 tsp. vanilla; Topping; 1 cup brown sugar; 1/2 cup flour; 1/3 cup butter or margarine (melted); 1 cup pecans