Melt your butter and marshmallows in a large bowl in the microwave or over medium low heat in a large sauce pan. This will take roughly 2-3 minutes.Stir together untill marshmallows are completely melted.
Pour in your Rice Krispies cereal, Golden Grahams, chocolate chips and mini marshmallows. Stir together until cereal is completely coated.
Line a 9x13inch pan with parchment paper. Pour in cereal and press down evenly. (Don't squish too much!)
Let chocolate set completely and cut. Store at room temperature in an airtight container for 7 days.