Triple Chocolate Chip Cookies

1 cup butter/margarine, softened
1 cup brown sugar
1/2 cup granulated sugar
2 eggs
1/2 tsp vanilla
1 3/4 cup flour
1 tsp baking soda
1/2 tsp salt
1/4 cup cocoa
1 cup semi-sweet chocolate chips
1 cup white chocolate chips
1 cup nuts, chopped (optional)

• Beat butter or margarine with brown sugar, and granulated sugar. 
• Beat in eggs and vanilla.
• Gradually blend dry ingredients into creamed mixture.
• Add chocolate chips and nuts. 
• Drop by tablespoons onto ungreased cookie sheet.
• Bake at 350 for 8 to 10 minutes (for soft and chewy).
• Once cooled down place in a air tight container, and they will stay soft.