1. Cook sesame seeds in a frying pan over high heat, stirring, for 4 minutes or until golden. Cool.
2. To make the dressing, combine all ingredients, and salt and pepper in a screw-top jar. Shake well.
3. Prepare mangoes by slicing off each cheek and cutting a lattice pattern in the flesh of each cheek, without cutting through the skin. Turn cheeks inside out, remove mango cubes and place in a bowl.
4. Add carrots, onions, cabbage, sesame seeds and dressing to mangoes. Toss gently. Serve.