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Caramelized Onions and Balsamic Vinegar Bruschetta

Photo by: Maren Caruso
Comments: 0
 

Recipe

Because these caramelized onions are so deeply flavored, any style of extra-virgin olive oil is suitable for this recipe. Be patient while cooking the onions. Long, slow cooking renders them sweet with a lasting flavor. You can prepare them ahead, if you wish.            

And do use your best balsamic vinegar. The intensity of balsamic vinegar varies; add it drop by drop until it imparts a complexity to the onions, but not enough so they taste of vinegar.  

Yield: 4 servings

Ingredients

  • 6 tablespoons extra-virgin olive oil, divided            
  • 2 large onions (about 2 pounds), peeled, halved, and thinly sliced
  • Fine sea salt
  • Balsamic vinegar to taste
  • 4 slices grilled or toasted bread
  • Fleur de sel and freshly ground black pepper

Directions

      

         

Heat 4 tablespoons of the oil in a large skillet over high heat until it trembles, becomes aromatic, and easily coats the bottom of the pan. Add the onions and turn the heat to very low. Sprinkle with salt. Cook the onions uncovered, stirring occasionally, until they are the color of a polished mahogany table, about 1 hour. They will shrink dramatically.             Transfer the onions to a bowl and let them cool. Add balsamic vinegar drop by drop until the flavor of the onions is complex but not vinegary. Sprinkle with fleur de sel if needed.             Brush the bread with the remaining 2 tablespoons oil.             Put a generous pile of onions on each slice of bread. Add a few grindings of pepper and serve.


© 2009 Fran Gage

Note from Cookstr's Editors

Nutritional information includes 1/2 teaspoon of added sea salt, but does not include balsamic vinegar or fleur de sel for sprinkling .

 

Nutritional Information

Nutrients per serving (% daily value)

394kcal (20%)
46mg (5%)
6mg (9%)
0mcg RAE (0%)
192mg
25mg
8g
5g
3g
43g
0mg (0%)
710mg (30%)
3g (16%)
21g (33%)
3mg (14%)
 

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