Chicken Breasts in Mango Sauce

3 large mangoes; peeled, pitted
    and the flesh cubed
4 skinless, boneless chicken breasts, halved
1/4 cup all-purpose flour
2 tablespoons olive oil
1/4 cup light rum
2 tablespoons granulated sugar

In a blender, puree two thirds of the mango cubes until smooth. Set aside.

Dredge the chicken breast halve lightly in the flour, shake off any excess.

In a large saut