In a large bowl, sift together the flour, baking powder, and sugar. Make a well in the center and pour in the milk, water, egg and melted butter; mix until smooth.

Be sure that the mixture is not thick. add water if needed.

Heat a lightly oiled griddle or frying pan over medium high heat. Pour or scoop the batter onto the griddle, using approximately 1/2 cup for each crepe. Brown on both sides and put on plate.

Put sliced mango in the middle and roll, Serve with chocolate syrup.