Summer Squash Sheet-Pan Tacos Recipe
Introduction
These Summer Squash Sheet-Pan Tacos are a vibrant, fresh way to enjoy seasonal vegetables. Roasted squash and zucchini combine with tangy pickled shallots and a creamy tahini sauce for a delightful, easy meal perfect for warm evenings.

Ingredients
- 2 medium yellow squash, cut into 1/2″ pieces (5 to 6 cups)
- 2 medium zucchini, cut into 1/2″ pieces (5 to 6 cups)
- 2 tablespoons extra-virgin olive oil
- Kosher salt
- 3 small shallots, very thinly sliced
- 1 cup red wine vinegar
- 2 tablespoons granulated sugar
- 1/2 teaspoon za’atar
- 1/4 cup tahini
- 2 tablespoons chopped fresh parsley
- 2 tablespoons fresh lime juice
- 1 teaspoon smoked paprika
- 1/2 teaspoon granulated garlic
- 8 (6″) corn tortillas
- 1/2 cup homemade or store-bought hummus
Instructions
- Step 1: Preheat the oven to 450°F (232°C). On a baking sheet, toss the yellow squash and zucchini with olive oil and season generously with kosher salt. Roast the vegetables, stirring halfway through, until they are softened and beginning to caramelize, about 25 to 30 minutes.
- Step 2: While the vegetables roast, place the thinly sliced shallots in a small heatproof bowl. In a small saucepan over medium heat, combine the red wine vinegar, granulated sugar, za’atar, and a pinch of salt. Heat the mixture, stirring occasionally, just until it is hot and steaming, but do not let it simmer. Pour the hot vinegar mixture over the shallots and let them sit for 10 to 15 minutes to pickle.
- Step 3: In a medium bowl, whisk together the tahini, chopped parsley, lime juice, smoked paprika, granulated garlic, and salt to taste. Gradually whisk in 4 to 5 tablespoons of cold water until the sauce is thin and smooth.
- Step 4: During the last 5 minutes of roasting, arrange the corn tortillas on a separate sheet pan or wrap them in foil. Warm them in the oven until they are pliable and heated through.
- Step 5: To assemble the tacos, spread about 1 tablespoon of hummus in the center of each warm tortilla. Top with a generous spoonful of the roasted squash and zucchini, followed by some of the pickled shallots. Drizzle the tahini sauce over the top before serving.
Tips & Variations
- Try adding a sprinkle of crumbled feta or cotija cheese for extra flavor and creaminess.
- If za’atar is unavailable, substitute with a mix of thyme, sesame seeds, and sumac for a similar taste.
- For a heartier meal, add some cooked black beans or grilled chicken to your tacos.
- Use other seasonal vegetables like bell peppers or eggplant in place of squash for variation.
Storage
Store any leftover roasted vegetables and sauce separately in airtight containers in the refrigerator for up to 3 days. Warm the vegetables gently in the oven or microwave before assembling tacos. The tortillas are best consumed fresh but can be wrapped and kept for up to 2 days.
How to Serve

Serve this delicious recipe with your favorite sides.
FAQs
Can I make the pickled shallots in advance?
Yes, pickled shallots can be prepared a day ahead and refrigerated, which actually enhances their flavor.
What can I use instead of tahini in the sauce?
If you don’t have tahini, you can substitute with plain Greek yogurt or a nut butter like almond butter, though the flavor and texture will differ slightly.
PrintSummer Squash Sheet-Pan Tacos Recipe
These Summer Squash Sheet-Pan Tacos are a vibrant and healthy vegetarian meal featuring roasted yellow squash and zucchini, tangy pickled shallots, and a creamy tahini-lime sauce, all served on warm corn tortillas with a spread of hummus. Perfect for a quick weeknight dinner or a tasty summer gathering, this recipe blends fresh flavors with simple preparation using the oven.
- Prep Time: 15 minutes
- Cook Time: 30 minutes
- Total Time: 45 minutes
- Yield: 8 tacos 1x
- Category: Main Dish
- Method: Baking
- Cuisine: Mexican-Inspired
- Diet: Vegetarian
Ingredients
Roasted Vegetables
- 2 medium yellow squash, cut into 1/2″ pieces (5 to 6 cups)
- 2 medium zucchini, cut into 1/2″ pieces (5 to 6 cups)
- 2 Tbsp. extra-virgin olive oil
- Kosher salt, to taste
Pickled Shallots
- 3 small shallots, very thinly sliced
- 1 cup red wine vinegar
- 2 Tbsp. granulated sugar
- 1/2 tsp. za’atar
- Kosher salt, to taste
Tahini Lime Sauce
- 1/4 cup tahini
- 2 Tbsp. chopped fresh parsley
- 2 Tbsp. fresh lime juice
- 1 tsp. smoked paprika
- 1/2 tsp. granulated garlic
- Kosher salt, to taste
- 4 to 5 Tbsp. cold water
Other
- 8 (6″) corn tortillas
- 1/2 cup homemade or store-bought hummus
Instructions
- Roast the Vegetables: Preheat your oven to 450°F. On a baking sheet, toss the yellow squash and zucchini pieces with olive oil and a generous pinch of kosher salt. Spread them out evenly. Roast in the oven for 25 to 30 minutes, stirring once halfway through, until the squash softens and begins to caramelize.
- Prepare the Pickled Shallots: While the vegetables roast, place the thinly sliced shallots into a small heatproof bowl. In a small saucepan over medium heat, combine red wine vinegar, sugar, za’atar, and a pinch of salt. Heat until the liquid is hot and steaming but not boiling, stirring occasionally. Pour the hot vinegar mixture over the shallots and let sit for 10 to 15 minutes to pickle and soften the shallots.
- Make the Tahini Lime Sauce: In a medium bowl, whisk together tahini, chopped parsley, fresh lime juice, smoked paprika, granulated garlic, and salt. Slowly whisk in 4 to 5 tablespoons of cold water until the sauce is thin, smooth, and pourable.
- Warm the Tortillas: In the last 5 minutes of roasting the vegetables, place the corn tortillas on a baking sheet or wrap them in foil and bake them in the oven until they are warm and pliable.
- Assemble the Tacos: Spread about 1 tablespoon of hummus in the center of each warm tortilla. Top with a generous scoop of roasted squash and zucchini, followed by some pickled shallots. Drizzle the tahini lime sauce over everything, and serve immediately.
Notes
- You can prepare the pickled shallots and tahini sauce ahead of time to save time on serving day.
- Adjust the level of seasoning with salt and spices to your preference.
- For added protein, consider serving with black beans or a sprinkle of feta cheese if not strictly vegan.
- If corn tortillas are unavailable, small flour tortillas can be used as a substitute.
- Roasting vegetables at a high temperature enhances their natural sweetness and flavor.
Keywords: summer squash tacos, sheet pan tacos, vegetarian tacos, roasted zucchini, pickled shallots, tahini lime sauce, easy vegetarian dinners, healthy tacos

