Preheat oven to 350F. Line a baking tray with parchment or a silicone baking mat.
In a large mixing bowl combine the flour, sugar. baking powder, baking soda and salt.
Add the chilled butter to the bowl and cut the butter into the mixture using a pastry cutter or forks until the texture is like a coarse meal. This can also be done in a food processor with a few quick pulses,
In a small bowl whisk the milk, lemon juice, lemon zest and vinegar. Add to the dry ingredients and combine using a wooden spoon. Do not over mix. Just bring it together as a slack dough.
Turn the dough out onto a lightly floured work surface and knead 5-6 times. Shape the dough into a 1" thick round. With a floured knife, cut into 10 wedges.
Transfer the wedges to the baking tray leaving room for them to rise.
Bake for 11-14 minutes until the bottom of the scones begin to color. Remove to a rack to cool for at least 15 minutes before glazing.
Whisk together the icing sugar, melted butter, lemon juice and vanilla extract. Add the water gradually until the glaze is a thick but soft enough to drizzle.
Drizzle glaze overs scones