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Gluten-Free Zucchini and Basil Pesto Flatbread

By Freeflourish Test KitchenReviewed by Freeflourish Editorial TeamPublished Apr 7, 2026 · Updated Jun 30, 2026
Italian-American 30 mins glutenfreevegetariandairyfreenutfreefamilyfriendlyeasyappetizersidedishquickrecipes

An easy, quick gluten-free flatbread topped with fresh zucchini ribbons and vibrant nut-free basil pesto. This family-friendly, dairy-free, and nut-free flatbread is a perfect appetizer or side dish that highlights the fresh flavors of Italian-American cuisine.

Gluten-Free Zucchini and Basil Pesto Flatbread
Prep 15 min
Cook 15 min
Total 30 min
Servings 6
Difficulty easy
Cuisine Italian-American

Recipe Details

Prep15 min
Cook15 min
Total30 min
Servings6
Difficultyeasy
CuisineItalian-American
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Ingredients

Servings 6
  • 1 1/2 cups gluten-free all-purpose flour blend (ensure xanthan gum included)
  • 1 teaspoon baking powder
  • 1/2 teaspoon fine sea salt
  • 1/2 cup warm water (110 degrees F / 43 degrees C)
  • 1 tablespoon olive oil, plus extra for brushing
  • 1 medium zucchini, thinly sliced into ribbons using a vegetable peeler
  • 2 cups fresh basil leaves, packed
  • 1/4 cup extra virgin olive oil
  • 1 clove garlic, minced
  • 1 tablespoon lemon juice
  • 1/4 teaspoon sea salt
  • 1/4 teaspoon freshly ground black pepper
  • Optional
  • 1 tablespoon nutritional yeast (for slight cheesy flavor, dairy-free)
Measured gluten-free ingredients for FreeFlourish zucchini basil pesto flatbread
Measured gluten-free ingredients for FreeFlourish zucchini basil pesto flatbread

Instructions

  1. Preheat your oven to 400 degrees F (200 degrees C). Line a baking sheet with parchment paper.
  2. In a medium bowl, whisk together the gluten-free flour blend, baking powder, and salt.
  3. Add warm water and 1 tablespoon olive oil to the dry ingredients. Mix until a soft dough forms. If dough is too sticky, add a little more flour, 1 tablespoon at a time.
  4. Place dough on a lightly floured surface and gently knead a few times until smooth. Roll dough out into a roughly 10x12 inch rectangular shape about 1/4 inch thick.
  5. Transfer the rolled dough to the prepared baking sheet. Lightly brush the surface with olive oil.
  6. Bake the flatbread in the oven for 10 minutes or until edges just start to turn golden.
  7. Meanwhile, prepare the nut-free basil pesto: In a food processor, combine basil leaves, garlic, lemon juice, salt, pepper, and nutritional yeast if using. Pulse to roughly chop.
  8. With the motor running, slowly drizzle in the olive oil until the pesto is smooth but not too watery. Adjust seasoning if needed.
  9. Remove the flatbread from the oven. Spread the basil pesto evenly over the warm flatbread.
  10. Arrange zucchini ribbons decoratively on top of the pesto layer.
  11. Return the flatbread to the oven and bake for an additional 5 minutes until zucchini is tender but still vibrant.
  12. Let the flatbread cool for 5 minutes, then slice into squares or rectangles.
  13. Serve warm or at room temperature as an appetizer or side dish.
Gluten-free flatbread topped with basil pesto and zucchini ribbons
Gluten-free flatbread topped with basil pesto and zucchini ribbons

Tips

Allergen Overlap Note

Use a certified gluten-free flour blend, gluten-free baking powder, and nutritional yeast labeled gluten-free if you include it. If the recipe needs to stay nut-free, keep the pesto seed- and nut-free, and clean the food processor carefully if it has been used for pine nuts, walnuts, or wheat-based crumbs.

Texture Expectations

The crust should bake up tender with lightly crisp edges, but it will not have the stretchy chew of wheat flatbread. Roll the dough evenly, prebake until the edges start to set, and add the pesto and zucchini near the end so the topping stays fresh instead of making the crust soggy.

Dining With Non-GF Family Note

Bake the gluten-free flatbread on clean parchment and slice it with a clean cutter before any regular pizza, bread, or crackers are handled nearby. Serve it on its own platter with separate tongs so gluten crumbs from shared appetizers do not transfer.

Frequently Asked Questions

Can I make the flatbread dough ahead?
Yes. Mix the dough a few hours ahead, wrap it tightly, and refrigerate it. Let it warm slightly before rolling so it does not crack.
How do I keep the crust from getting soggy?
Prebake the crust first, spread a moderate layer of pesto, and keep the zucchini ribbons thin so they soften quickly without releasing too much moisture.
Can I use store-bought pesto?
Yes, if it is labeled gluten-free and fits your allergen needs. Many pestos contain dairy or nuts, so check labels carefully for FreeFlourish-style dining.

Ingredient Replacements

Customize your Gluten-Free Zucchini and Basil Pesto Flatbread with these ingredient swaps to fit your dietary needs or pantry availability:

  • Gluten-Free Flour Blend: Use any certified gluten-free all-purpose flour blend containing xanthan gum. For grain-free options, try almond flour with a binding agent like psyllium husk powder, though texture may differ.
  • Baking Powder: Verify gluten-free status or substitute baking soda with cream of tartar.
  • Olive Oil: Substitute with avocado or melted coconut oil for a different flavor, maintaining dairy-free and paleo compliance.
  • Nut-Free Basil Pesto: This recipe uses nut-free pesto; if nuts are acceptable, swap with traditional pesto containing pine nuts or walnuts for richer flavor.
  • Nutritional Yeast: Optional for cheesy flavor without dairy. Skip for pure vegan pesto or replace with vegan parmesan alternatives.
  • Zucchini Ribbons: Use thinly sliced yellow squash or cucumber if zucchini isn't available, preserving fresh crispness.

These substitutions keep the dish gluten-free, dairy-free, nut-free, family-friendly, and easy to prepare. Enjoy a versatile, quick appetizer or side that fits your lifestyle without sacrificing taste!

Storage and Reheating

Store leftover flatbread slices in an airtight container in the refrigerator for up to 3 days.

Reheat on a parchment-lined baking sheet in a 350 degrees F oven until warm and lightly crisp at the edges. Avoid microwaving when possible, since it can soften the gluten-free crust.

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