Place all the ingredients in a large glass bowl and toss together.
2 cups frozen corn kernels, 1/4 cup finely diced red onion, 1 red bell pepper, 1 avocado, 1 teaspoon olive oil, 1/2 teaspoon kosher salt, 1/4 teaspoon ground black pepper, Juice of 1 lime
Refrigerate for at least two hours.
Serve chilled with your favorite chips and margarita!