Pistachio Brownie Toffee Bars

¾ cup butter, softened

¾ cup packed brown sugar

1 large egg yolk

¾ tsp. vanilla extract

1½ cups all-purpose flour

FILLING

1 pkg. fudge brownie mix

(13x9-'in. par size)

½ cup water

½ cup canola oil

1 large egg

TOPPING

1 pkg. (11½ oz.) milk chocolate

chips, melted

¾ cup finely chopped salted roasted pistachios

1. Preheat oven to 350°, In a large bowl, cream butter and brown sugar until light and fluffy. Beat in egg yolk and vanilla; gradually add flour to creamed mixture; mixing well.

2. Press dough onto bottom of

a greased 15xl0xl-in. baking pan: Bake 12+:1 minutes or until golden brown. Meanwhile, in a large bowl, combine brownie mix, water, canola oil and egg until blended.

3. Spread brownie batter over hot crust. Bake 14-16 minutes or longer or until center is set. Cool completely in pan on a wire rack.

4. Spread melted chocolate over bars and sprinkle with pistachios. Let stand until set. Cut into bars.