Gather all your ingredients on a clean and spacious countertop.
Open a can of black beans, drain them in a colander, and rinse them thoroughly under cold water.
Open the can of sweet corn, drain it, and give it a quick rinse.
Wash the red and green bell peppers, cut the tops off, remove the seeds, and dice them into small pieces.
Chop the red onion finely.
If using jalapeño, wash it, cut it open, and remove the seeds. Dice it finely.
Wash and chop the fresh cilantro coarsely.
Wash the cherry tomatoes and cut each in half.
In a large mixing bowl, combine the black beans, sweet corn, diced red and green bell peppers, chopped red onion, diced jalapeño, halved cherry tomatoes, and chopped cilantro. Gently fold together.
In a separate bowl, squeeze the juice of one lime, add olive oil, and season with salt and pepper. Whisk together.
Pour the dressing over the mixed ingredients and gently toss until evenly coated.
Let the cowboy caviar sit for at least 30 minutes to allow flavors to meld.
Serve with tortilla chips, as a topping for tacos, or as a salad.
Notes
For added flavor, consider adding diced avocado or mango. Adjust seasoning to taste.