Wash the sweet potato and cut into small cubes.
Steam the sweet potatoes and keep aside.
To make the salad dressing, heat a pan and dry roast peanuts till they turn crunchy.
Transfer roasted peanuts to a mixer jar. Add green chilly, salt, jaggery, lemon juice and water. Blend to a fine paste.
In a bowl, add steamed and cooled sweet potatoes, chopped green, yellow and red capsicum, grated carots and sweet corn.
Pour the salad dressing and toss everything together.
Garnish with chopped coriander leaves and roasted sesame seeds.