For us, it will be grilled chicken and beef kabobs, grilled corn on the cob, cucumber salad, potato salad, and Greek salad. And a birthday cake! Maybe if I have any energy left, I’ll make some homemade ice cream. Likely not. 
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Greek said (tomato, cucumber, red onion, olives, and feta with EVOO) is always welcome at potluck parties. IMO