In a small bowl, combine the milk and vinegar, and let stand for at least 5 minutes to “sour”.
In a medium bowl, mix together the flours, sugar, baking powder, salt and lavender until fully combined.
Whisk in the eggs and vanilla into the “soured” milk. Slowly pour the wet ingredients into the dry ingredients, and mix until fully incorporated.
Heat a large skillet over medium heat and spray with cooking spray. Scoop 1/4 cup of batter for each pancake, and flip when bubbles are covering the surface of the pancake. Cook the other side until it is golden.