Layered Ratatouille Tian with Balsamic Glaze

By Lauren Mitchell, Test Kitchen Director · Reviewed by AislePrompt Editorial · Published 2026-07-23 · Updated 2026-07-23

An oven-baked vegetable tian inspired by the layered structure of the Eurotunnel, combining summer vegetables with a sweet balsamic glaze. This french-inspired vegetarian ready in about 65 minutes pairs olive oil, minced garlic cloves, chopped fresh thyme for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 140 calories and feeds 4, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

Ingredients

• 1 medium, sliced into 1/4-inch rounds eggplant
• 2 medium, sliced into 1/4-inch rounds zucchini
• 2 medium, sliced into 1/4-inch rounds yellow squash
• 3 large, sliced into 1/4-inch rounds tomatoes
• 4 tbsp olive oil
• 3, minced garlic cloves
• 2 tsp, chopped fresh thyme
• 1 tsp salt
• 1/2 tsp black pepper
• 3 tbsp balsamic vinegar
• 1 tbsp honey

Instructions

1. Step 1: Preheat oven to 375°F. Lightly grease a 9-inch round baking dish with 1 tbsp olive oil.
2. Step 2: In a small bowl, mix 3 tbsp olive oil, 3 minced garlic cloves, 2 tsp chopped fresh thyme, 1 tsp salt, and 1/2 tsp black pepper.
3. Step 3: Arrange alternating slices of 1 medium eggplant, 2 medium zucchini, 2 medium yellow squash, and 3 large tomatoes upright in the baking dish, packing them tightly like the stacked layers of the Eurotunnel.
4. Step 4: Drizzle the garlic and herb olive oil mixture evenly over the arranged vegetables.
5. Step 5: Cover the dish with foil and bake for 30 minutes, then remove foil and bake uncovered for another 20 minutes until the vegetables are tender and edges caramelize.
6. Step 6: Meanwhile, combine 3 tbsp balsamic vinegar and 1 tbsp honey in a small saucepan and simmer over medium heat for 5 minutes until thickened into a glaze.
7. Step 7: Drizzle the balsamic glaze over the baked ratatouille tian before serving warm.