Chewy Double Chocolate Cookies

Preheat oven to 350 degrees.

In a large bowl, cream together the butter, brown sugar and white sugar until light and fluffy. Add eggs one at a time. Add vanilla.

In another bowl, combine the flour, cocoa, salt and baking soda and gradually add to the creamed mixture. Fold in chocolate chips. Drop by rounded spoonfuls onto the prepared cookie sheet.

Bake for 10-12 minutes until puffy but still soft. Allow cookies to cool on baking sheet for 5 minutes before removing to a wire rack to cool completely.