Pancakes

3/4 cup milk
2 Tbsp white vinegar
1 cup all purpose flour
2 Tbsp sugar
1 tsp baking powder
1/2 tsp baking soda
1/2 tsp salt
1 egg
2 Tbsp butter, melted
cooking spray

Combine milk with vinegar in a medium bowl and set aside for 5 minutes to "sour".
Combine flour, sugar, baking powder, baking soda and salt in a large mixing bowl. Whisk egg and butter into "soured" milk. Pour the flour mixture into the wet ingredients adn whisk until lumps are gone.
Heat a large skillet over medium heat, and coat with cooking spray. Pour 1/4 capfuls of batter onto the skillet, and cook until bubbles appear on the surface. Flip with a spatula and cook until browned on the other side.

Courtesy: allrecipes.com