Preheat oven to 350 and grease donut pan.

Mix together sour cream, egg, vanilla, oil and sugar in a bowl.

Add in flour, baking soda and salt and stir until combined.

Place batter into a large zippered plastic bag. Close and snip off corner.

Squeeze batter into donut pan.

Fill pan with batter (about 2/3 full) and bake for 12-15 minutes or until golden brown and top springs back when touched.

Remove from pan and allow to cool on wire rack.

Mix together powdered sugar, vanilla and milk. Add enough milk to make a nice dipping consistency.

Dip donuts and then sprinkle with desired toppings.

Eat!