Step 1

Drain and rinse kidney beans. Put them in a very large mixing bowl.

Step 2

Add the onion, celery, bell pepper and stir to combine. Add the mayonnaise, relish, onion powder, seasoning salt, black pepper, and Red Pepper Flakes. Stir all ingredients together, and taste. Adjust seasoning if needed.

Step 3

Cover bowl, and refrigerate 4 hours before serving, or preferably overnight.

Step 4

Store in an airtight container. Leftovers will keep for 3-4 days.