In mixing bowl, cream together butter, cream cheese, and brown and white sugars. Add egg substitute and beat well
Add flour, soda, salt, and vanilla to butter mixture and beat until well blended. Stir in chocolate chips, oatmeal, and nuts if desired. Blend thoroughly.
Use a cookie scoop to drop cookie dough onto a cookie sheet coated with canola cooking spray. To make a flatter cookie, spray the bottom of a flat-bottomed glass with canola cooking spray and press onto the cookie dough balls.
Bake in center of oven until lightly golden (about 8 minutes.) Remove cookies and let cool on wire rack.