Ditch the store-bought seasoning packet in favor of this DIY version that combines slowly caramelized onions with tangy sour cream.
Ingredients
1/4 cup extra-virgin olive oil
1 (1-pound) large onion, chopped (3 cups)
1/2 pound shallots, chopped (1 1/2 cups)
Salt
Freshly ground black pepper
4 tablespoons water
1 (16-ounce) container sour cream
1/4 cup chopped chives or finely chopped scallion greens
Directions
Heat oil in a 12-inch heavy skillet over medium-high heat until it shimmers, then sauté onion and shallots with 1 teaspoon salt until lightly browned, about 2 minutes.
Reduce heat to medium-low and continue to cook, covered, stirring frequently, until vegetables are golden brown, about 20 to 30 minutes more.
Remove from heat and stir in 1/4 teaspoon pepper and 2 tablespoons water, or enough to loosen any brown bits stuck to the bottom of the skillet.
Transfer onion mixture to a medium bowl, then stir in sour cream and remaining 2 tablespoons water. (If desired, thin to desired consistency with additional water.)
Stir in most of the chives, sprinkling on the rest as a garnish.
