This is a gorgeous sticky flapjack bound to be popular whether you have been out on the hills or not.
Melt the margarine with the sugar and honey.
Mix together the porridge oats and muesli, then pour over the melted margarine. Mix very thoroughly and spread into a 7"x 7" greased baking sheet.
Bake at 190 C/375 F/gas mark 5 for 20-25 minutes or until golden brown.
Remove from the oven and mark into triangles, leave to cool completely.