1. In a bowl, whisk together dry ingredients and set aside.
2. In another small bowl, whisk together yogurt, water, and vanilla and set aside. Cream together butter and sugar until light and fluffy. Add eggs one at a time. Add half the flour mixture slowly and mix in yogurt mixture until smooth. Add in the rest of the flour mixture. Mix until just combined.
3. Line a loaf pan with parchment paper or grease to prevent sticking. Bake at 350 degree for 45 min - 1 hour. Cool in pan for 20 min and then remove from pan to cool completely.
4. Whisk together glaze ingredients and pour over the cake once cooled.