Ingredients

  • 4 ounces bacon, small dice
  • 1 medium yellow onions, finely chopped
  • 5 medium garlic cloves
  • 1 medium russet potato, large dice
  • 2 medium red potatoes, large dice
  • 1 tablespoon red wine vinegar
  • 2 quart (8 cups) chicken stock
  • 1 sourdough baguette, cut into1-inch pieces
  • 1/2 cup shredded aged cheddar cheese
  • Sour cream, for garnish
  • 3 green onions, thinly sliced, for garnish

Method

  • Heat bacon in a large pot over medium-high heat until crisp and fat is rendered, about 7 minutes.
  • Remove bacon to a paper towel-lined plated with a slotted spoon and discard all but 1 tablespoon drippings.
  • Return pot to stove and add onions and garlic.
  • Season with salt and freshly ground black pepper and cook until golden, about 2 minutes.
  • Add potato and stir to coat.
  • Add vinegar and scrape up any browned bits.
  • Add stock and bring to a boil.
  • Reduce to a simmer and cook until potato is fork tender, about 20 minutes.
  • Heat oven to 450degreesF and arrange a rack in the upper third.
  • When soup is ready, ladle into 8- to 12-ounce ovensafe bowls and top with two baguette slices.
  • Pile cheese and bacon on top and repeat to make 4 to 6 servings.
  • Place on a baking sheet and place in oven until cheese is melty and browned, about 5 minutes.
  • Remove from oven, let cool slightly, top each bowl with a dollop sour cream and a sprinkling of green onions and serve.