Step 1

In a large salad bowl, combine lettuce, cherry tomatoes, onion and avocado.

Step 2

Cut corn kernels off the cobs and add to salad. Toss gently together.

Step 3

In a small measuring cup, whisk together oil, vinegar, salt, pepper and oregano. Pour over salad and toss gently to coat.

Step 4

Slice or chop grilled chicken breasts.

Step 5

Place salad on serving plates. Arrange half of sliced grilled chicken breast on top of the salad, on each serving.

Step 6

Serve immediately.