→ Cake Layer
01 -
1 (15.25-ounce) box chocolate cake mix
02 -
Water, oil, and eggs as called for on cake mix box
→ Filling
03 -
2 sticks (8 ounces) unsalted butter, room temperature
04 -
2 cups powdered sugar
05 -
1/4 teaspoon kosher salt
06 -
16 ounces marshmallow crème
07 -
2 teaspoons vanilla extract
→ Chocolate Ganache
08 -
1 1/3 cups (8 ounces) semisweet chocolate chips
09 -
1 cup heavy cream