Butter Pecan Turtle Bars
["2 c. all-purpose flour", "1 c. brown sugar", "1/2 c. butter, softened", "2/3 c. butter", "1/2 c. brown sugar", "1 c. whole pecan halves", "1 c. semi-sweet chocolate chips"]
["Cut 1/2 cup softened butter into 1 cup brown sugar and all-purpose flour.", "When well mixed, pat into a 9 x 13-inch pan. Sprinkle pecans evenly over unbaked crust and press lightly."]
["flour", "brown sugar", "butter", "butter", "brown sugar", "pecan halves", "semi-sweet chocolate chips"]