This Ina Garten Tomato Gratin is a juicy and savory recipe, which includes ripe tomatoes and freshly toasted breadcrumbs. It’s an ideal side dish, ready in about 45 minutes.
Ina Garten Tomato Gratin Ingredients
- 4 slices whole-grain bread, torn
- 1 tbsp minced garlic
- 1 tbsp extra-virgin olive oil
- ⅓ cup Pecorino Romano or Parmesan, grated
- 4 medium tomatoes, sliced
- ¼ cup chopped fresh basil
- ½ tsp ground black pepper
- ¼ tsp kosher salt
How To Make Ina Garten Tomato Gratin
- Preheat oven: Set your oven to 450°F and lightly grease a 2-quart baking dish.
- Make breadcrumbs: Pulse torn bread slices in a food processor to form crumbs. Add garlic, olive oil, and cheese, then pulse again to combine.
- Toast crumbs: Spread the breadcrumb mixture on a baking sheet and toast in the oven for about 5 minutes, until lightly golden.
- Layer tomatoes: Arrange the tomato slices in the baking dish. Sprinkle evenly with chopped basil, salt, and pepper. Bake for 10 minutes.
- Add breadcrumbs: Sprinkle the toasted breadcrumb mixture over the baked tomatoes.
- Finish baking: Return the dish to the oven and bake for another 10 minutes, until the topping is golden and the gratin is bubbling.
- Cool and serve: Let cool for 5–10 minutes before serving warm.

Recipe Tips
-
Can I use different cheese?
Yes, Parmesan or Gruyère both work well in place of Pecorino Romano. -
What type of bread is best?
Whole-grain adds texture and flavor, but sourdough or rustic white bread also work great. -
How to avoid soggy gratin:
Pre-toast the breadcrumbs and bake tomatoes before adding topping to prevent excess moisture. -
Can I prep this ahead?
Yes, prep all components separately and assemble just before baking. -
Is this dish gluten-free?
Use gluten-free bread to make it suitable for gluten-free diets.
What To Serve With Tomato Gratin
This savory side pairs well with light proteins and summer flavors:
- Grilled chicken or steak
- Herb-roasted salmon
- Creamy polenta
- Quinoa salad
- Fresh green salad with vinaigrette
How To Store Tomato Gratin
Refrigerate: Store in an airtight container for up to 3 days. Reheat in the oven to restore crispness.
Freeze: Not ideal, as the tomatoes can become watery and the breadcrumbs soggy when thawed.
Tomato Gratin Nutrition Facts
- Calories: 105 kcal
- Carbohydrates: 9g
- Protein: 3g
- Fat: 6g
- Saturated Fat: 2g
- Cholesterol: 5mg
- Sodium: 180mg
- Fiber: 2g
Nutrition information is estimated and may vary based on ingredients and cooking methods used.
FAQs
Can I use cherry tomatoes for this gratin?
Yes, halve them and arrange in a single layer for even cooking.
Why is my gratin watery?
Tomatoes release moisture—baking them first before adding the topping helps reduce this.
Can I make the breadcrumb topping without a food processor?
Yes, just finely chop or tear the bread and mix ingredients by hand.
Is this gratin vegetarian?
Yes, just ensure the cheese used is made without animal rennet.
Can I add other herbs?
Absolutely—thyme, oregano, or parsley are great additions.
Try More Recipes:
Ina Garten Tomato Gratin
Description
A savory, cheesy tomato side dish with fresh basil and golden, garlicky breadcrumbs—simple and satisfying.
Ingredients
Instructions
- Preheat oven to 450°F. Grease a 2-quart baking dish.
- Pulse bread into crumbs. Add garlic, oil, and cheese. Pulse again.
- Toast breadcrumbs for 5 minutes on a baking sheet.
- Layer sliced tomatoes in the baking dish. Sprinkle with basil, salt, and pepper. Bake for 10 minutes.
- Add toasted breadcrumbs on top.
- Bake for another 10 minutes until golden and bubbling.
- Let cool 5–10 minutes before serving.
