Mrs Fields Banana Nut Cookies

2 2/3 c FLOUR

1/2 ts SODA

1/4 ts SALT

1 c LT BROWN SUGAR, PACKED

1/2 c SUGAR

1 c BUTTER, SOFTENED

1 lg EGG

1 ts BANANA LIQUEUR OR EXTRACT

3/4 c MASHED RIPE BANANA

2 c SEMISWEET CHOCOLATE CHIPS

1 c CHOPPED WALNUTS

PREHEAT OVEN TO 300*F. IN A MEDIUM BOWL, COMBINE FLOUR, SODA AND SALT. MIX WELL AND SET ASIDE. IN A LARGE BOWL WITH AN EXLECTRIC MIXER, BLEND SUGARS AT MEDIUM SPEED. ADD BUTTER AND MIX TO FORM A GRAINY PASTE, SCRAPING DOWN THE SIDES OF THE BOWL. ADD EGG, LIQUEUR AND BANANA, AND BEAT AT MEDIUM SPEED UNTIL SMOOTH. ADD THE FLOUR MIXTURE, 1 CUP OF THE CHOCOLATE CHIPS AND THE WALNUTS AND BLEND AT LOW SPEED UNTIL JUST COMBINED. DROP BY ROUNDED TABLESPOONS ONTO UNGREASED COOKIE SHEETS, 2 INCHES APART. SPRINKLE COOKIES WITH CHOCOLATE CHIPS, 6 TO 8 PER COOKIE. BAKE 25-27 MINUTES UNTIL COOKIE EDGES BEGIN TO BROWN. TRANSFER IMMEDIATELY TO A COOL SURFACE.