Double-Chocolate Chunk-Peanut Butter Bars

Heat oven to 350°F. Line 8-inch square pan with cooking parchment paper or spray with cooking spray.

With stand mixer or hand-held mixer, beat double chocolate chunk cookie mix, 1/4 cup oil, 2 tablespoons water and the egg until a soft dough forms. Spread half of dough in bottom of pan.

With stand mixer or hand-held mixer, beat peanut butter cookie mix, 2 tablespoons oil and 1 tablespoon water until a crumbly dough forms. Spoon tablespoons of dough over chocolate cookie dough. Spoon remaining chocolate cookie dough in between mounds of peanut butter cookie dough. Use spatula to flatten dough. Sprinkle chocolate chunks evenly over top.

Bake 30 to 35 minutes or until edges are brown and center is set. Cool completely, about 45 minutes.

For bars, cut into 4 rows by 4 rows.