Zucchini and Bacon Gratin

prep time: 10 minutes cook time: 15 minutes yield: 4 servings

2 strips bacon, diced
¼ cup sliced onions
1 medium zucchini
½ cup grated Parmesan cheese, divided
¼ cup chopped leeks, divided (optional)
¼ cup small cherry tomatoes, cut in half
Fresh dill or thyme, for garnish

1. Preheat the oven to 425°F.


2. Place the diced bacon in a cast-iron skillet over
   medium heat. Add the onions and sauté until the bacon
   is cooked through and the onions are caramelized a
   little, about 5 minutes.


3. Meanwhile, cut the zucchini into ⅛-inch-thick
   rounds.


4. Place a layer of zucchini over the onions and
   bacon in the skillet. (Reserve a few pieces of bacon for
   garnish, if desired.) Sprinkle half of the Parmesan
   cheese and half of the leeks, if using, over the zucchini