Compléter Recipe exampleVersion en ligne Fill-in-the-blanks with recipe. par Peter Feher 1 Add Preheat Stir Bake Put Whisk Remove Cut Allow Spread the oven to 180 ºC . eggs and sugar together until light and fluffy . chocolate and butter into a bowl and put in a pan of water over gentle heat . Heat until melted . into egg mixture , then flour , baking powder and nuts . into a greased baking tin . for 30 minutes or until a crust has formed . to cool slightly then from tin . into squares .