Caramelized Onion Mushroom Flatbread (Print Version)

Savory flatbread topped with caramelized onions, mushrooms, melty cheese, and fresh herbs, ideal for an appetizer or light meal.

# Components:

→ Dough

01 - 1 pound store-bought or homemade pizza dough

→ Toppings

02 - 2 tablespoons olive oil
03 - 2 large yellow onions, thinly sliced
04 - 2 teaspoons balsamic vinegar
05 - 8 ounces cremini or button mushrooms, sliced
06 - 2 cloves garlic, minced
07 - 1 teaspoon fresh thyme leaves or ½ teaspoon dried thyme
08 - ½ teaspoon salt
09 - ¼ teaspoon black pepper
10 - 1 cup shredded mozzarella cheese
11 - ½ cup crumbled goat cheese or feta
12 - 2 tablespoons chopped fresh parsley (optional)

# Directions:

01 - Preheat oven to 450°F. Place pizza stone inside if using.
02 - Heat 1 tablespoon olive oil in a large skillet over medium heat. Cook onions, stirring occasionally, until golden and caramelized, about 20 minutes. Stir in balsamic vinegar and cook 2 minutes more. Remove onions and set aside.
03 - Add remaining tablespoon olive oil to the skillet. Sauté mushrooms until softened and golden, about 6 to 8 minutes. Add garlic, thyme, salt, and pepper; cook 1 minute. Remove from heat.
04 - On a lightly floured surface, roll dough into a 12 by 8 inch rectangle or oval. Transfer to parchment-lined baking sheet or preheated pizza stone.
05 - Evenly spread caramelized onions over the dough. Top with mushrooms, then sprinkle mozzarella and goat cheese evenly.
06 - Bake for 12 to 15 minutes until crust is golden and cheese is bubbly and lightly browned.
07 - Remove from oven, sprinkle with fresh parsley if desired, slice, and serve warm.

# Expert Advice:

01 -
  • Rich blend of flavors: savory, sweet, and earthy
  • Can be served as both appetizer or main
02 -
  • Caramelizing onions takes patience—slowly cooking brings out the sweetness.
  • For a gluten-free or dairy-free option, substitute with suitable crust and cheese alternatives.
03 -
  • Use a pizza stone for a crispier crust and better texture.
  • Let the flatbread cool for a few minutes before slicing for cleaner cuts.
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