Caramel Rice Crispies

12 cups rice crispies, divided

8 cups marshmallows, divided

1 cube butter, divided

1 lb caramel

¼ cube butter

1 can sweetened condensed milk

Make a batch of marshmallow treats with ½ cube butter, 6 cups rice crispies, and 4 cups marshmallows and place into greased 9x13 pan. Melt caramel, ¼ cube butter and milk over low heat stirring continuously. Pour over crispies in pan. Make another batch of crispies and spread on top of caramel.

(ripped off from lori)