In a large bowl. combine all purpose flour, baking powder, baking soda, granulated sugar, and salt.
Melt butter in microwave. Do not overheat butter, and let it cool for a few minutes.
Create a well and add milk, egg, vanilla extract, and melted butter. Mix wet ingredients into dry ingredients. Use a whisk to remove clumps.
Fold chocolate chips into batter. Add more milk if you prefer the batter thinner.
Heat a skillet or griddle on medium low heat, melt some butter onto skillet/griddle.
Using a ladel, spoon batter onto skillet/griddle. Once the buttom of the pancake is cooked and bubbles form on the surface, flip pancakes.
Repeat Step 6 until the batter is gone.
Serve with butter and maple syrup (or other toppings). Enjoy!