In a large mixing bowl, add onion, tomato, coriander leaves, raw mangoes, lemon juice, roasted peanuts, salt, chile powder, and coconut oil, and mix well. Check for the taste and adjust. This can be made and kept ahead of time.
½ Onion, ½ Lemon, 1 Tomato, 1 tablespoon Cilantro, 2 to 4 tablespoon Raw mango, 2 to 4 tablespoon Roasted peanuts, ½ teaspoon Salt, 1 teaspoon Red chile powder, 1 tablespoon Coconut oil