In a large mixing bowl, add the black beans, black-eyed peas, sweet corn, and diced tomatoes. Gently stir until combined.

Dice the avocado and fold it gently into the mixture to maintain texture.

Add the chopped onion and cilantro to the bowl and mix thoroughly.

Pour the zesty Italian dressing and lime juice over the ingredients and stir gently until coated.

Cover the bowl and chill in the refrigerator for at least 1 hour.

Serve Cowboy Caviar in a bowl with tortilla chips or as a salad beside grilled meats.