Wash the mixed greens thoroughly and dry them with a salad spinner.
In a large bowl, combine the cleaned greens.
Add the thinly sliced red onion to the bowl.
Sprinkle the pomegranate seeds over the greens.
Add the toasted pecans for a crunchy texture.
Crumble the feta cheese on top.
Drizzle balsamic vinaigrette over the salad.
Toss gently to combine all ingredients.
Taste and adjust seasoning if necessary.
Serve immediately for the freshest flavor.