*Add milk to a bowl. Add lemon (or lime) juice, mix well, and set aside for 5 minutes (this has a curdling effect on the milk and helps the batter rise).*Crack open an egg in a small bowl, add vanilla extract and mix well. *To another bowl, add buckwheat flour, sugar, baking soda and salt. Mix well.
*Add the egg and vanilla mix to the milk and mix well. *Pour this mix into the bowl with buckwheat flour and mix thoroughly with a fork till you get an even consistency, with no lumps.
Heat a nonstick pan on medium flame and pour 1/4th cup of batter on to the pan. You'll start seeing bubbles on the top.
Let the pancake cook for about 45 seconds; flip over to the other side. Cook for about 30 seconds.
Transfer to a plate and enjoy with some butter and maple syrup or honey.