Combine tomatoes and boiling water in a bowl; cover and let stand 15 minutes or until softened. Drain well, and finely chop; set aside.
Place flour in a small saucepan; gradually add milk, stirring with a wire whisk until blended. Stir in tomatoes, pan drippings, and remaining ingredients. Cook over medium heat 10 minutes or until thickened, stirring constantly with a wire whisk. Makes 1 ½ Cup.