Step 1: Combine flour, sugar, cinnamon, baking powder and salt in a large bowl.
Step 2: In a separate bowl mix together eggs, milk, butter, and vanilla. Beat the wet ingredients with the dry mixture until smooth. Fold in chocolate chips.
Step 3: Heat pan or griddle. Pour or spoon batter into pan (each pancake should be about ½ cup of batter).
Step 4: Flip the pancake when the top begins to bubble. Fry for 1 minute. Remove from pan and repeat until batter is gone.