Arrange the cucumber, green pepper, cherry tomatoes, feta cheese, red onions, and olives. Drizzle with olive oil, salt, pepper, and wine vinegar, and very gently toss.
Now, season mushrooms and toss to coat evenly.
Place mushrooms in center of foil. Bring up sides of foil; double fold top and ends to tightly seal packet.
Grill over medium-high heat 12 to 15 minutes or until mushrooms are tender.
At the end slice focaccia and serve your Shepherd's pie with greek salad, grilled mushrooms and slice of focaccia. Enjoy!
Keyword focaccia, Greek salad, grilled mushrooms, Sides For Shepherd’s Pie