1 3 3⁄4-oz can sardines in water, drained, and cut into 1-inch pieces
1 1⁄2 cups cups lightly packed torn cilantro leaves and stems
1⁄2 small red onion, thinly sliced
In a large bowl, whisk the sweet chile sauce with the lime juice and salt. Add the cilantro, sardines, lemongrass, and red onion, and toss to combine. Transfer the salad to a platter and serve immediately.