They are a tricky cookie ... if your batter is completely liquid and pours from your spatula in a thin ribbon, that indicates ...

We may receive a commission on purchases made from links. Meringue cookies, made from just four simple ingredients, are ...

Add the chocolate, cocoa powder, vinegar and nuts and gently fold into the meringue mixture ... For the sauce, place the chocolate hazelnut spread, butter, double cream and hazelnut liqueur ...