Preheat oven to 375 degrees F. Line a baking sheet with parchment paper.

In a large mixing bowl, combine the butter and both sugars and beat with an electric mixer until creamy, Beat in the egg, vanilla and soy sauce.

Whisk together the flour, baking powder, baking soda and salt.

With a spatula scraper or with lowest speed of mixer, stir the flour mixture into the butter mixture.

Stir in the chocolate chips.

Drop by the cookies by rounded tablespoons onto the baking sheets. Bake at 375 for 10-12 minutes or until the edges are browned. Alternatively, divide dough into 4 equal sections. Chill the dough, then divide each section into 8 pieces to make 32 cookies.