01 -
Line 9x9 pan with parchment paper, leaving overhang.
02 -
Mix semi-sweet chocolate chips with red food coloring, set aside.
03 -
Melt butter in large saucepan, add sugar and half-and-half.
04 -
Mix white chocolate chips and marshmallow creme in separate bowl.
05 -
Add vanilla, white chocolate mixture to butter mixture until smooth.
06 -
Transfer half of white mixture to red chocolate, stir until melted.
07 -
Spoon both mixtures into pan, shake gently to level.
08 -
Create swirl pattern with knife.
09 -
Let cool completely before cutting.