French Onion Soup Tips

From here.

  • Yellow onions provide a balance of sweet, pungent, savory, and mild onion flavor.
  • A small amount of brown sugar helps to accelerate the caramelization process.
  • Salting the onions at the beginning of cooking promotes quicker browning, good seasoning, and tender texture.
  • Use high heat to kick-start browning of onions, then reduce to medium for gentle cooking.
  • Extended sauté time, and reduced heat creates a more complex, sweet onion taste.
  • Deglaze the pan with red wine to infuse tasty bits of caramelized onion from the bottom.
  • Toasting the bread before adding it to the soup keeps the surface crisper.
  • Use a high melting cheese like gruyere for optimal spread when broiled.
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