In a blender add the banana, milk, fromage frais and condensed milk. Blend until all the ingredients have formed a smooth texture. Pour plenty of crushed ice into some serving glasses and then the banana shake on top. Serve very cold.
Per serving: 0 Calories (kcal); 0g Total Fat; (0% calories from fat); 0g Protein; 0g Carbohydrate; 0mg Cholesterol; 0mg Sodium Food Exchanges: 0 Grain(Starch); 0 Lean Meat; 0 Vegetable; 0 Fruit; 0 Fat; 0 Other Carbohydrates