¼ cup (30g/1oz) all-purpose flour
¼ cup (50g/1 ¾ oz) sugar
1 ½ tbsp unsweetened cocoa powder
¼ tsp baking soda
⅛ tsp baking powder
1 teaspoon kosher salt
2 tbsp buttermilk*
1 tbsp vegetable oil, or any flavorless oil
1 egg
1 teaspoon pure vanilla extract
2 tbsp freshly brewed hot coffee *
1 cup (around 5 cookies) crushed graham crackers (digestives or other plain cookies)
4 large marshmallows
INSTRUCTIONS