Combine dry ingredients in a large bowl. Whisk or stir to combine.
Measure buttermilk and oil first, then add egg and whisk to combine.
Add the wet ingredients to the dry ingredients. Stir to combine. Add the chocolate chips and stir to incorporate into the batter.
Bring a large nonstick pan to medium heat and let the batter sit for 5 minutes while the pan gets hot.
Add a tablespoon of oil to the skillet. Use a portion scoop to add batter to pan to make three pancakes.
Cook pancake until bubbles are popping through the pancake, about 3 to 4 minutes. Flip the pancakes and cook for another 2 to 4 minutes. Repeat with the remaining pancake batter.