Hershey's Perfectly Chocolate Chocolate Chip Cookies

Ingredients
2 1/4 cups all purpose flour
1/3 cup Hershey's cocoa
1 t. baking soda
1/2 t. salt
1 cup butter (softened)
3/4 cup granulated sugar
3/4 cup light brown sugar
1 t. vanilla extract
2 eggs
2 cups (12 oz. pkg.) Hershey's semi-sweet chocolate chips

Heat oven to 375 and stir together flour, cocoa, baking soda and salt in a large bowl. Beat butter, sugars and vanilla with an electric mixer until creamy. Add eggs; beat well. Gradually add flour mixture beating well. Stir in chocolate chips. Drop by rounded teaspoons onto an ungreased cookie sheet. Bake 8-10 minutes or until lighty browned. Cool slightly and remove from cookie sheet to wire rack.