INGREDIENTS

3/4 cup  Butter  
30 oz.  Marshmallows  
3 tsp.  Vanilla Extract , pure 
4.5 qts.   Rice crispy cereal 

DIRECTIONS

1.) To Prepare Rice Crispy Treats: Melt butter in large heavy bottom rondeau over medium heat, add marshmallows and vanilla extract; stir until melted.

2.) Remove from heat and add cereal and stir until well incorporated. 

3.) Divide mixture evenly among 3 quarter-size sheet pans lined with parchment paper and coated with non-stick spray and press out into even layer to edges of pans.

4.) Let cool and cut into 12 width wise even long slender bars.