- Brownies:
- 1 package Duncan Hines® Chocolate Decadence Brownie Mix
- 1/2 cup vegetable oil
- 3 large eggs
- 1/4 cup water
- Non-stick cooking spray
- Frosting:
- 1 1/2 cups confectioners' sugar
- 1/3 cup peanut butter
- 6 tablespoons milk
- 2 tablespoons butter, softened
- Drizzle:
- 1/3 cup semi-sweet chocolate chips
- 1 tablespoon vegetable shortening
- Preheat oven to 350 degrees F. Spray only the bottom of 13×9-inch pan with nonstick cooking spray.
- Prepare and bake brownies according to package directions for cake-like brownies. Cool 5 to 10 minutes.
- For frosting, combine confectioners' sugar, peanut butter, milk and butter in small bowl. Beat at medium speed with electric mixer until blended. Spread over warm brownies.
- For drizzle, place chocolate chips and shortening in microwave-safe bowl. Microwave on high power for 1 minute or until melted. Drizzle over frosting. Allow chocolate drizzle to set before cutting into bars.