In small bowl sift together the flour and baking soda. Add salt and set aside.
In large bowl beat butter, sugars, egg and vanilla until creamy.
Stir flour into creamed mixture.
Add chocolate chips (or M & M’s) and nuts and stir just until combined.
Drop by tablespoons onto lightly greased cookie sheet about 2-inches apart. Bake for 10 to 12 minutes or until lightly browned. Immediately remove to rack to cool.