1/2 teaspoon ground cumin
1/2 teaspoon salt (or to taste)
1/8 teaspoon cayenne (or to taste)
1/4 teaspoon chili powder
4 cups watermelon pieces (3/4-inch cubes with seeds and rind removed)
1 tablespoon fresh lime juice
2 teaspoons shredded fresh coriander (or basil) Mix together cumin, salt, cayenne, and chili powder.
In a serving bowl, toss together melon, cumin mixture, lime juice, and coriander or basil until well combined. Serve immediately.