2 teaspoons red wine vinegar
1/2 teaspoon sugar
1 small clove garlic, chopped
1/8 teaspoon red pepper flakes
Kosher salt
Freshly ground black pepper
1 Persian cucumber or 1/2 regular cucumber, peeled and diced
1 scallion, chopped
1/2 cup quinoa, rinsed and drained
1 cup water
2 tablespoons extra virgin olive oil
1/2 lemon
1/4 cup chopped flat-leaf parsley
2 tablespoons chopped mint
3 cups lettuce leaves, arugula, or other salad greens
8 ounces halloumi cheese, cut into 8 slices