In a heat-proof glass bowl, melt Milk Chocolate (400 gram) and Semi-Sweet Dark Chocolate (200 gram) over a pot of simmering water. Take care not to let the water touch the bowl. When fully melted, carefully remove bowl from pot.
To the melted chocolate, add Glace Cherry (200 gram), Chopped Roasted Peanuts (200 gram), and Mini Marshmallows (100 gram). Carefully mix together.
Line a muffin tin with paper cups. Divide mixture equally between them. Chill in fridge for 30 - 60 minutes, or until solid.