Caramelized Sweet Onion Soup
Source of Recipe
Marla
Recipe Introduction
Long ago I learned that the secret to a good onion soup is cooking the onions slowly, allowing their rich flavors to develop and their sugars to caramelize. I like this recipe made with either a high-acid red or white wine, each offering its hue and unique flavor. Both are scrumptious.
List of Ingredients
Caramelized Sweet Onion Soup With Buttered Croutons
For the soup
4 tablespoons unsalted butter
1 pound sweet onions, quartered and thinly sliced (about 6 cups)
½ pound red onions, quartered and thinly sliced (about 3 cups)
½ cup thinly sliced shallots
4 cloves garlic, minced
¾ cup Sangiovese or Sauvignon Blanc or other high-acid red or white wine
3 cups canned chicken stock or vegetable stock (prepare using stock concentrate, cubes, or powder)
1 tablespoon minced fresh thyme or 1 teaspoon dried thyme
¼ teaspoon salt, or to taste
¼ teaspoon freshly ground pepper, or to taste
For the croutons
4 thin slices of day-old white or whole-wheat bread
2 tablespoons (½ ounce) freshly grated (finely) Parmesan cheese
¼ teaspoon paprika, preferably Hungarian
1/8 teaspoon salt
2 tablespoons unsalted butter
2 tablespoons olive oil
Recipe
To make the soup, melt the butter in a Dutch oven over medium heat. Add the onions; stir well to coat with the butter. Reduce the heat to medium-low; cover and cook, stirring occasionally, until tender and golden brown, about 30 minutes. (Don't let the onions burn or they’ll become biter.)
Add the shallots and garlic; stir constantly for about 2 minutes. Add the wine. Use a wooden spoon to stir, scraping up the browned juices on the bottom of the pan. Continue to cook, uncovered, stirring constantly, until all the liquid is reduced and soaked into the onions, about 10 minutes.
Stir in the stock and thyme; increase the heat and bring to a boil. Reduce the heat to medium-low; cover and simmer, stirring occasionally, for about 20 minutes. Stir in the salt and pepper. Taste and adjust the seasoning.
Meanwhile, to make the croutons, use a round cookie cutter or an inverted glass to cut the bread into rounds smaller than the top of your soup bowls. (Avoid using the crust.)
Combine the Parmesan, paprika, and salt in a small brown paper bag or plastic container with a lid. Set aside.
Melt the butter with the oil in a large skillet over medium-high heat. When the mixture is so hot that drops of water sizzle when sprinkled into the pan, add the bread rounds. Cook, using tongs to turn, until lightly browned on the outside, yet still pliable, about 3 to 4 minutes per side.
While the croutons are still hot, drop them, one at a time, into the paper bag or plastic container containing the Parmesan mixture. Close or cover the container and shake until the croutons are lightly coated. Transfer to a plate to cool.
To serve, ladle the soup into bowls and float one crouton on top of each serving.
Makes 4 cups (4 servings)
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