1place condensed milk can- unopened into slow cooker. put some baking paper under can to prevent damage. submerge in water, with a few centimeters above can. put on high for 5hrs. turn slow cooker off about the 5hr mark, take lid off and allow to cool.
2whip cream to soft peaks, add sugar and vanilla and continue to whip till sriff peaks.
3place caramel in pastry, slice thinly one piece of banana per tart, and place ontop of caramel. put cream onto and sprinkle crushed pieces of chocolate on top.