Quick Buttermilk Rolls

1/4 cup warm water
1 pkg. yeast
3/4 cup lukewarm buttermilk
1/4 tsp. soda
1 tsp. sugar
1 1/2 tsp. salt
3 Tbsp. soft shortening
2 1/2 cups sifted flour
Dissolve yeast in water. Stir in buttermilk, soda, sugar, salt, and shortening and half of flour. Add rest of flour and mix with hand. Turn onto lightly floured board. Knead until smooth and elastic. Shape into crescents or any desired shape. Let rise until doubled. Bake in 400 degree for 15 to 20 minutes.