Step 1: Gather Your Ingredients To make six servings, you'll need: 1 litre whole milk 300ml double cream 397g condensed milk 30g cocoa powder 200ml Bailey's (editor's note: I added much more because . . . Christmas) 150g dark chocolate chips (editor's note: I used milk chocolate because it's all I had) Whipped cream and marshmallows to serve Image Sources: POPSUGAR / Tori Crowther and TikTok / @tamingtwins