Preheat the oven to 325ºF/160ºC and line the cake pan. Add the chopped candy bars and one stick (125g) of butter.  Stir well to combine. Beat in after the addition of each yolk. Pour into the batter. Stir after each addition and end by adding the flour. Stir through. The egg whites should be stiff before folding in. Be sure to create an even top. Bake for one hour and 10 minutes or until a skewer inserted into the cake comes out clean. Allow to cool completely on a wire cooling rack. To make the frosting:  Pour the evaporated milk, butter and sugar into a saucepan.    {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/8\/8b\/6904136-13-bullet-1.jpg\/460px-6904136-13-bullet-1.jpg","bigUrl":"\/images\/thumb\/8\/8b\/6904136-13-bullet-1.jpg\/728px-6904136-13-bullet-1.jpg","smallWidth":460,"smallHeight":308,"bigWidth":"728","bigHeight":"487","licensing":"<div class=\"mw-parser-output\"><p>License: <a rel=\"nofollow\" class=\"external text\" href=\"https:\/\/creativecommons.org\/licenses\/by-nc-sa\/2.5\/\">Creative Commons<\/a><br>\n<\/p><p><br \/>\n<\/p><\/div>"}  Heat over low heat until a soft ball forms when the mixture is dropped into cold water. Remove from the heat.    {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/4\/4d\/6904136-13-bullet-2.jpg\/460px-6904136-13-bullet-2.jpg","bigUrl":"\/images\/thumb\/4\/4d\/6904136-13-bullet-2.jpg\/728px-6904136-13-bullet-2.jpg","smallWidth":460,"smallHeight":308,"bigWidth":"728","bigHeight":"487","licensing":"<div class=\"mw-parser-output\"><p>License: <a rel=\"nofollow\" class=\"external text\" href=\"https:\/\/creativecommons.org\/licenses\/by-nc-sa\/2.5\/\">Creative Commons<\/a><br>\n<\/p><p><br \/>\n<\/p><\/div>"}  Add the chocolate bits and the marshmallow crème. Beat until the frosting becomes smooth.    {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/7\/79\/6904136-13-bullet-3.jpg\/460px-6904136-13-bullet-3.jpg","bigUrl":"\/images\/thumb\/7\/79\/6904136-13-bullet-3.jpg\/728px-6904136-13-bullet-3.jpg","smallWidth":460,"smallHeight":308,"bigWidth":"728","bigHeight":"487","licensing":"<div class=\"mw-parser-output\"><p>License: <a rel=\"nofollow\" class=\"external text\" href=\"https:\/\/creativecommons.org\/licenses\/by-nc-sa\/2.5\/\">Creative Commons<\/a><br>\n<\/p><p><br \/>\n<\/p><\/div>"} Allow to set and the cake is ready to serve.

Summary:
Assemble the ingredients and items needed. Heat up the double boiler. Cream the sugar with the other stick of butter. Pour the melted Milky Way bars into the creamed butter and sugar mixture. Add the egg yolks, one at a time. Add the baking soda to a little buttermilk and stir to dissolve. Alternately pour in the flour and the remaining buttermilk to the batter. Add the pecan nuts. Fold the batter into the beaten egg whites. Pour the batter into the prepared cake pan. Place the cake into the oven. Remove from the heat. Frost. Use a frosting spatula or butter knife to smooth the frosting over the cooled cake. Finished.