Cut the avocado in half and remove the pit and skin. Slice the flesh.

Slice the red onion into rings and then cut them into pieces.

Cut the bell pepper in half, remove the seeds, and dice the pepper.

Halve the cherry tomatoes.

Drain the corn.

Combine the dressing ingredients in a salad bowl and stir until well mixed. Toss in the lettuce, kidney beans, cherry tomatoes, bell pepper, and corn.

Top with the avocado slices and red onion, then serve.