Pine Bark

1 cup butter (do NOT use margarine) 
1 cup light brown sugar 
1 (11 ounce) package chocolate chips (1 1/2 cups) 
40 saltine crackers 
1 cup chopped nuts (pecans or walnuts) (optional) 
nonstick cooking spray 

1. Line jelly roll pan (baking pan) with foil and spray with non-stick spray. 
2. Lay crackers out flat on foil. 
3. Melt sugar and butter until foamy (3 minutes). 
4. Pour over crackers and spread to coat. 
5. Bake 10 minutes in 350º oven. 
6. Remove from oven. 
7. While hot, sprinkle with chocolate chips, let soften and melt, then spread. 
8. Sprinkle with nuts. 
9. Let cool. 
10. Refridgerate until hardened. 
11. Break into pieces like peanut brittle.