"Recently, we hosted an International Potluck Dinner Party at our home. Our theme was Greek food, so of course, we listened to Trio Bel Canto (the only Greek music allowed). Here's a recipe from our party!"
Whisk olive oil, lemon, garlic powder, salt, and black pepper in a large bowl. Add red bell pepper, green bell pepper, cucumbers, tomatoes, radishes, dill pickles, and green onions; toss to combine. Let marinate in the refrigerator until flavors combine, 10 to 15 minutes.