Grilled Vegetable Sandwich

1. 1

   Lightly brush one tablespoon olive oil on the cut sides of the rolls and lemon halves; set aside.

2. 2

   Combine remaining oil and vinegar in a small bowl.

3. 3

   Brush a little of mixture on zucchini and onion, then season with salt and pepper.

4. 4

   Grill zucchini and onion, over medium heat, until tender, about 2 to 3 minutes per side.

5. 5

   Meanwhile toast rolls, cut side down, about 3 minutes.

6. 6

   Place vegetables on rolls, top with feta and mint, if using; drizzle with remaining vinegar and oil and squeezed lemon juice.

* Per serving · 4 servings · Values may vary.