Mango Tart - mysweetambitions

For the Tart Shell
100 g butter
200 g plain flour
60 g icing sugar
1/2 tsp salt
1 egg
Fpr the Mango FIlling
395 g condensed milk
1 cup pureed mango
1/4 cup plain flour
1 tbsp butter
2 eggyolks 1
1/2 tsp salt
For the topping
1 extra large mango cut into cubes
1/4 cup sugar
1 1/2 tbsp corn starch or corn flour