Caramelized Onion Pesto Flatbread

Crazy Crust


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7.00 (in)
7.00 (in)
7.00 (in)
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Caramelized Onion Pesto Flatbread

Yield: 4-8 servings

Caramelized Onion & Pesto Flatbread – this EASY 4 ingredient pizza recipe is the perfect appetizer. Pesto, caramelized onions, and mozzarella baked onto a pizza crust – every time I make this people rave about it!


  • 1 tablespoon olive oil
  • 1 medium onion, sliced
  • 1 teaspoon granulated sugar
  • 1 tube pizza crust (such as Pillsbury)
  • 1/2 cup prepared pesto
  • 1 1/2 cups mozzarella cheese


  1. Heat a 10-12” skillet over medium heat and add the oil. Swirl around the pan, then add the sliced onions. Sprinkle the onions with the sugar and toss to coat. Cover and cook 5-10 minutes over medium low, stirring often, until they start to brown, then remove the cover and continue cooking an additional 3-7 minutes, stirring often, until the onions are soft and caramel in color. Remove from pan and set aside to cool.
  2. Preheat oven to 450°F. Line a cookie sheet with parchment paper. Unroll pizza crust. You can also use a prepared pizza crust (homemade or store-bought), one that makes one 12” pizza, but make it into a rectangle or an oblong rectangle.
  3. Spread the pesto over the top of the pizza crust. Sprinkle with cheese and spread the cooled caramelized onions over the top.
  4. Bake for 8-10 minutes, or until the bottom and edges are browned and the cheese is melted and bubbly. Slice and serve warm.