Image credit to: Chris McIntosh for Boston Organics
Cook black beans per instructions, drain and cool. (Note: Dry beans may require an overnight soak and long cook time.)
If using raw corn on the cob, boil in a large pot of unsalted water for 4 minutes. Drain and run under cold water to cool before cutting kernels off from cob.
Combine all ingredients in medium bowl. Serve chilled or at room temperature.