Easy chewy chocolate cookies - Click Americana

Ingredients

• 1-1/4 cups butter or margarine. softened
• 2 cups sugar
• 2 eggs
• 2 teaspoons vanilla
• 2 cups unsifted all-purpose flour
• 3/4 cup Hershey's cocoa
• 1 teaspoon baking soda
• 1/2 teaspoon salt
• 1 cup finely chopped nuts, optional