I love the idea of combining different types of chocolate in a single cookie — makes for a much more complex flavor. (thespicedlife.com)
There are many different types of chocolate and quality varies, so the kind we use is very important. (holisticwellness.ca)
I looked up the recipe and didn't have the two different types of chocolate chips in house, so I used 1/2 cup of semi-sweet chocolate and 1/2 cup white chocolate. (epicurious.com)