In bowl stir together flour, baking powder, salt, sugar and baking soda. = Add oil and 3/4 cup buttermilk. Stir together. Lightly flour work area. Put on dough and kneed gently for 1/2 1 = minute until its balled. Pat or roll out to 1 inch thick (approx. 8 inch circle or cut into = individual servings). Lay on cookie sheet. Make glaze by mixing together 1 T buttermilk and 1 t sugar. Brush glaze = on top of dough. Bake in 425 oven for ? (until browned at least) Cool on rack. Slice shortcake in half. Spread 1/2 of dripped yogurt on bottom. Add 1/2 sliced strawberries. Put on top and repeat with yogurt and strawberries.