Coat an 8x8 bakign dish with spray.

Place pretzel sticks in food processor and process until fine crumbs, similar to graham crumbs.

In a large bowl stir together sugar, crumbs, sunbutter and melted butter.

Press the sunbutter mixture into the prepared 8x8 pan.

Chop chocolate into small pieces and place in a bowl.

Heat cream in a small saucepan over medium heat just until bubbles start to form around the edges.

Pour heated cream over chocolate and let sit 1 minute. After 1 minute, whisk the cream and chocolate together until smooth and melted. Pour chocolate mixture over the sunbutter mixture.

Refrigerate at least 1 hour before cutting into squares and serving.