Add soup mix to 3/4 cup hot water;let stand until lukewarm. In a separate container, soften yeast and sugar with 2 tablespoons warm water.Beat soup mixture and yeast mixture together with egg, 1 cup Dry Baking Mix and Sourdough Starter. Stir in remaining Dry Baking Mix to make a stiff dough. Place on a floured surface;knead until smooth and elastic. Place in a greased bowl, turning to grease top. Cover and let rise for 2 hrs. Shape into a round loaf. Place on a greased pan, cover and let rise 45 mins. Bake in a 375 Deg. Oven for 35 mins.