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Export 7 ingredients for grocery delivery
Step 1
In a small saucepan, melt the butter over medium heat. Add the Guinness beer and bring to a simmer. Let it simmer for 5 minutes, reducing slightly.
Step 2
Remove from heat and add the chopped dark chocolate. Stir until completely melted and smooth. Let the mixture cool to room temperature.
Step 3
In a separate mixing bowl, whip the chilled heavy cream, powdered sugar and vanilla until soft peaks form.
Step 4
Gently fold the cooled Guinness-chocolate mixture into the whipped cream until fully combined.
Step 5
Spoon the mousse into small glasses, leaving a gap at the top for cream, and refrigerate for at least 2 hours before serving.
Step 6
To serve: Whip the cream, powdered sugar and vanilla until soft peaks form. Spread onto the glasses of mousse to look like the foam on Guinness.
Step 7
Serve chilled.