This Chocolate Mosaic is my version of a chocolate fridge cake recipe. This no-bake dessert is a really easy option for a dinner party dessert recipe, but is also the perfect afternoon treat. It’s my go-to choice when I need something indulgent and quick that I know will be a guaranteed hit with everyone who tries a piece (who doesn’t like chocolate and biscuits?!). I like to use crushed Petit-Beurre biscuits here, because these are what my sister suggested when she gave me the recipe. I…