Sift flour and salt in a bowl, in a seperate bowl Cream butter and sugar.

Add beaten egg and mix.

Add flour mixture mix to for ma dough

Roll small balls out of the dough and dip balls in coconut flakes

Arrange on a baking tray, use a finger to slowly press the centre of each ball but it shouldn't open through, And Bake

Allow to cool, add nutella and place m&ms in the centre