If you can’t find Jamon Serrano, substitute with the equally delicious prosciutto!
Caramelized Onion, Feta & Serrano Ham Flatbread sliced on cutting board.
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Course Appetizer, Main Course
Cuisine American
Prep Time 5 minutes
Cook Time 30 minutes
Total Time 35 minutes
Servings 6 people
Calories 100kcal
Author Liren Baker


  • 1 large red onion halved and thinly sliced
  • 1/4 cup dried cranberries chopped
  • 4 tablespoons balsamic vinegar divided
  • 2 tablespoons water
  • 2 tablespoons brown sugar
  • 1 flatbread
  • 1/3 cup feta cheese crumbled
  • 4-6 thin slices Jamon Serrano ham or prosciutto
  • 1/2 cup baby arugula
  • 1 tablespoon agave nectar or honey


  • In a frying pan or sauté pan, stir together the sliced onions, dried cranberries, 3 tablespoons balsamic vinegar, water and brown sugar. Bring to a boil, then cover pan and lower heat to a simmer. Cook the onions for about 10 to 15 minutes, stirring periodically, until the onions are caramelized. 
  • Whisk together the remaining tablespoon of balsamic vinegar and agave nectar/honey. Set aside. 
  • Heat the flatbread on the grill, in the oven, or on a stovetop grill pan. Flip it over and top with the caramelized onions, and sprinkle with feta cheese. Arrange the Serrano ham or prosciutto on top. Grill/Bake/Cook the flatbread (cover if using grill or stovetop grill pan) for about 5 minutes, or until the cheese has started to melt. 
  • Transfer to a board, top with a handful of arugula, and drizzle with balsamic glaze. Cut into slices and serve immediately.


Calories: 100kcal | Carbohydrates: 18g | Protein: 2g | Fat: 2g | Saturated Fat: 1g | Cholesterol: 7mg | Sodium: 147mg | Potassium: 52mg | Sugar: 12g | Vitamin A: 75IU | Vitamin C: 1.6mg | Calcium: 60mg | Iron: 0.3mg
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