Bar Longsoran Mississippi

Bahan-bahan (24 porsi)

• 1 cup butter (melted)
• 2 cups gula
• 1/3 cup bubuk kakao tanpa pemanis
• 3 large telur
• 1 teaspoon vanila
• 1/4 teaspoon garam
• 2 cups tepung
• 4 cups marshmallow mini
• 2 cups keping coklat setengah manis
• ¾ cup heavy whipping cream
• 2 tablespoons mentega
• 1/4 teaspoon vanila