In a microwave-safe bowl, combine corn, okra and 1 tablespoon water. Cover with damp paper towels and microwave on high setting for 7 to 8 minutes.
In a medium saucepan, over medium heat, whisk together milk and white sauce mix. Bring to boil, whisking constantly. Reduce heat to simmer and continue stirring for 1 minute. Remove from heat. Add cooked corn and okra, butter beans and chopped pimento to white sauce. Return to medium heat and heat through. Serve hot.