Heat oven to 350ºF. Lighly grease cookie sheet. Mix sugar, butter, peppermint extract and eggs in large bowl with spoon until blended. Stir in flour, baking powder and salt. Stir in 1/2 cup candies and 1/2 cup chocolate chips (dough will be stiff). Divide dough in half. Shape each half into 10x2-inch rectangle on cookie sheet.