Heirloom tomatoes are sweet, plump and full of the best flavor. This tomato gratin is packed with ingredients that truly enhance the end of summers best gift.
Course Side Dish
Keyword Heirloom Tomato Gratin
Prep Time 20 minutesminutes
Cook Time 24 minutesminutes
Total Time 44 minutesminutes
1clovegarlic, sliced in half
3-1/2tbspsextra virgin olive oil, divided
1largeVidalia or other sweet onion
1/2tspgrated orange zest
3tbspsfresh orange juice
3tspsfresh thyme, chopped, divided
4lbsmixed heirloom tomatoes, thickly sliced
1-1/2tspstable salt, divided
1-1/2tspsfinely ground black pepper, divided
2cupsfresh bread crumbs
1/2cup Pecorino-Romano cheese
Preheat oven to 425 degrees F.
Prepare an oven-safe, shallow, 2 quart baking dish by rubbing the inside with garlic. Paint the dish with 1-1/2 Tablespoons extra-virgin olive oil.
Heat 1-1/2 Tablespoons oil in a large skillet over medium heat. Add onion and cook for about five minutes or until onions are translucent, not brown. Remove from heat, stir in orange zest, fresh orange juice, honey and 1-1/2 teaspoons thyme.
Add half of the onion mixture to the bottom of the baking dish and half the tomatoes. Season with half the salt and pepper and add the rest of the onion mixture, tomatoes, salt and pepper. Overlap the tomato slices to fit.
In a separate bowl, mix together bread crumbs, 2 Tablespoons oil, 1-1/2 teaspoons thyme and cheese. Mix until all crumbs are moistened.
Bake for 24 minutes or until crumbs are golden and juices are bubbling.