Preheat the oven to 180°C / 350°F
Line a baking tray with parchment paper
In a bowl, mix 2 cups all-purpose flour, 2 teaspoons baking powder, and 1/2 teaspoon salt
In another bowl, cream 1/2 cup softened butter with 1/2 cup sugar until smooth
Beat in 1 egg and 1 teaspoon vanilla extract
Add the dry ingredients to the wet ingredients and mix until combined
Stir in 3/4 cup chocolate chips
Add 2 to 4 tablespoons milk if the dough is too dry
Scoop spoonfuls of dough onto the baking tray
Flatten slightly with your fingers or a spoon
Bake for 10 to 12 minutes until lightly golden
Let the biscuits cool on the tray for a few minutes
Transfer to a wire rack to cool completely