2 tablespoons lemon juice (from about 1/2 lemon)
1 fennel bulb, fronds and outer layer removed, cored and very thinly sliced
1/2 small red onion, thinly sliced
8 cups arugula, washed, dried, and any long or tough stems removed
1/2 cup fresh cilantro leaves
1/4 cup extra-virgin olive oil
Coarse salt and freshly ground black pepper
Place the arugula leaves, cilantro, olive oil, salt and pepper in a large bowl. Add the avocados and fennel and toss together. Serve immediately.