Go Back
+ servings
tomato gratin
Print

Tomato Gratin

Summer tomatoes are sweet, plump and full of the best flavor. This tomato gratin is packed with ingredients that truly enhance summers best gift.
Course Side Dish
Cuisine American
Keyword Tomato Gratin
Prep Time 20 minutes
Cook Time 24 minutes
Total Time 44 minutes
Servings 8
Calories 155kcal

Ingredients

  • 1 clove garlic, sliced in half
  • 5 tbsps extra virgin olive oil divided
  • 1 large Vidalia or other sweet onion
  • 1/2 tsp grated orange zest
  • 3 tbsps fresh orange juice
  • 2 tsps honey
  • 3 tsps fresh thyme, chopped, divided
  • 4 lbs tomatoes, thickly sliced
  • 1-1/2 tsps table salt divided
  • 1-1/2 tsps finely ground black pepper divided
  • 2 cups fresh bread crumbs
  • 1/2 cup Pecorino-Romano cheese

Instructions

  • 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.
    1 clove garlic, sliced in half, 5 tbsps 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.
    1 large Vidalia or other sweet onion, 1/2 tsp grated orange zest, 3 tbsps fresh orange juice, 2 tsps honey, 3 tsps fresh thyme, chopped, divided
  • 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.
    4 lbs tomatoes, thickly sliced , 1-1/2 tsps table salt, 1-1/2 tsps finely ground black pepper
  • In a separate bowl, mix together bread crumbs, 2 Tablespoons oil, 1-1/2 teaspoons thyme and cheese. Mix until all crumbs are moistened.
    2 cups fresh bread crumbs , 1/2 cup Pecorino-Romano cheese
  • Bake for 24 minutes or until crumbs are golden and juices are bubbling.
  • Serve hot or warm.

Video

Notes

For optimal outcomes when preparing this tomato gratin, it's recommended to refer to the recipe details within the post. The recipe post commonly includes valuable notes, expert tips and frequently asked questions, that are not presented in the recipe card, often including how to make this recipe dairy-free, gluten free or vegan and ideas for healthy ingredient substitutions or variations.
The provided nutrition information is merely an approximation, as variations can arise depending on the specific ingredients/brands you select.

Nutrition

Serving: 157g | Calories: 155kcal | Carbohydrates: 20.2g | Protein: 4.6g | Fat: 5.1g | Saturated Fat: 1.2g | Polyunsaturated Fat: 0.3g | Monounsaturated Fat: 2g | Cholesterol: 4mg | Sodium: 696mg | Potassium: 230.4mg | Fiber: 0.8g | Sugar: 5.1g | Vitamin A: 14.3IU | Vitamin C: 27.9mg | Calcium: 6.3mg | Iron: 0.3mg