Aunt Marlene's Whole Wheat Bread

1 cake fresh yeast or 1 pkg. granular yeast
2 cups lukewarm water
2 Tablespoons sugar
2 teaspoons salt
3 cups white flour
1/2 cup hot water
1/2 cup brown sugar
3 Tablspoons shortening
3 cups Whole Wheat flour

Soften yeast in lukewarm water.  Add sugar, salt and white flour.  Beat smooth.  Set in warm place until light and bubbly.  Combine hot water with brown sugar and shortening.  Cool to luke warm.  Add to sponge.  Add whole wheat flour.  Mix smooth, knead and let rise.  Place in loaf pan.  Let rise until doubled.  Bake in moderate over (375) for 50 minutes.  Makes two 1 pound loaves.