Mix vinegar and milk and let sit for 5 minutes to curdle.
Weigh out your grains and mill them into a medium bowl. Add in the rest of your dry ingredients, including a pinch of salt, and the sugar.
Mix eggs and vanilla extract into milk mixture.
Pour wet ingredients into the dry ingredients. Give one stir and then add in the melted butter,
Use dutch whisk to just mix ingredients, do not over mix.
Heat cooking surface to medium heat. Grease cooking surface with butter. Once hot add ¼ cup of batter.
Once you see small bubbles form and the sides of the pancake start to cook, flip your pancake.
Fry for about 45 more seconds and check the pancake by lifting up a side. If ready remove and place on a cooling rack in a warm oven (170 degrees).
Enjoy!