1 (12 oz.) pkg. semi-sweet chocolate chips
1 1/2 c. miniature marshmallows
3/4 c. chopped walnuts or pecans

In top of double boiler over simmering water, melt chocolate. Remove from heat and stir in marshmallows and nuts. Line 8 x 8 x 2 inch baking dish with aluminum foil. Spread chocolate mixture in baking dish. Cover and refrigerate at least 1 hour or until set. Makes 16 (2 inch) squares. Wrap leftovers in aluminum foil and store in refrigerator.