Heat two bags of frozen fire roasted corn on the stove and let sit in the fridge until cold
Chop cucumber, red bell peppers, and shallot using a veggie chopper
Combine the cold corn and chopped vegetables in a bowl
Add one can of black beans to the mixture
Add feta cheese to taste
Mix in light mayonnaise (or substitute with plain Greek yogurt if preferred)
Add the juice of one lime
Season with salt, garlic powder, onion powder, and chili powder to taste
Add avocado just before eating to prevent browning
Serve with tortilla chips or crackers for dipping
