Whisk together the flour, sugar, baking powder, baking soda, and salt. Set aside.
In a separate large bowl, whisk together the buttermilk, egg, and vanilla until combined.
Add the dry ingredients and mix until combined, and no lumps remain.
Stir in the chocolate chips.
Heat a frying pan over medium heat, and grease with cooking spray, oil, or a little butter.
Dollop 1/4 cup of batter into the pan, and cook until bubbles appear on the surface. Flip, and cook until browned on each side.
Repeat with the remaining batter, and serve warm with a drizzle of maple syrup.
Video
Notes
*To make your own buttermilk, simply add 2 and 1/4 teaspoons of fresh lemon juice or white vinegar to 3/4 cup (180ml) of milk. Stir to combine, and allow to sit for 5 - 10 minutes until slightly thickened and curdled.