Stand corn cob, stem removed and pointy end up, in a deep bowl. Cut downward with a sharp paring knife to remove kernels.
Combine lettuce and next 5 ingredients (through cilantro) in a large bowl.
Whisk together oil and next 4 ingredients (through pepper) in a small bowl. Drizzle over salad; toss. Serve with chips, if desired.
Find recipes with ingredients that you have on hand.