Preheat the Oven: Preheat the oven to 425°F. Line a baking sheet with parchment paper.
Toast the Flatbread: Place the flatbread on the prepared baking sheet and bake for 5 minutes to lightly crisp the crust. Remove from the oven and set aside.
1 gluten-free 10- to 12-inch thin pizza crust or flatbread
Sauté the Onion and Garlic: Heat 2 teaspoons of olive oil in a skillet over medium heat. Add the sliced red onion and minced garlic and cook for about 2 minutes, until softened and fragrant.
2 teaspoons olive oil, ½ cup sliced red onion, ¼ teaspoon minced garlic
Prepare the Tomato Mixture: In a small bowl, combine the diced tomatoes with the torn basil or herbs and stir to mix.
½ to ⅔ cup diced tomatoes or drained canned tomatoes, ½ cup torn fresh basil or herbs of choice
Build the Base: Spread the tomato mixture evenly over the toasted flatbread. Scatter the sautéed onion and garlic over the top.
Add the Vegetables: Arrange the zucchini and yellow squash slices over the flatbread. Sprinkle the shredded leafy greens evenly across the vegetables.
½ cup sliced zucchini, ⅓ to ½ cup sliced yellow squash, 1 cup shredded leafy greens
Finish the Toppings: Top with the crumbled feta or goat cheese. Season with cracked black pepper and a pinch of sea salt.
½ cup 2 ounces crumbled feta or goat cheese, Cracked black pepper, Pinch of sea salt
Bake the Pizza: Return the flatbread to the oven and bake for 10 to 15 minutes, until the edges are crisp, the vegetables are tender, and the cheese is warm and slightly softened.
Garnish and Serve: Remove from the oven and drizzle lightly with olive oil. Sprinkle with crushed red pepper flakes, if using. Slice and serve immediately.
Crushed red pepper flakes