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Creamy white lasagna soup topped with a bright lemon and nutmeg infused ricotta garnish.

White Lasagna Soup

Rebecca Blumer
A cozy one-pot meal that captures the creamy essence of white lasagna without the layering. This soup features earthy mushrooms, tender poached chicken, and a bright lemon-ricotta garnish.
Prep Time 10 minutes
Cook Time 40 minutes
Total Time 50 minutes
Course Main Course, Soup
Cuisine Italian-American
Servings 6 servings
Calories 445 kcal

Equipment

  • Dutch oven
  • Ladle

Ingredients
 

  • 1 tablespoon olive oil
  • 1 yellow onion, diced
  • 2 teaspoons salt
  • 16 ounces cremini or button mushrooms, thinly sliced
  • 3 cloves garlic, minced
  • 1 quart unsalted chicken stock or broth
  • 2 cups water
  • 5 sprigs fresh thyme
  • 1 bay leaf
  • 1 pound boneless, skinless chicken breasts or thighs
  • 8 ounces dry lasagna noodles
  • 10 ounces baby spinach
  • 1 cup freshly grated Parmesan cheese
  • 2 cups whole milk
  • Ricotta, to serve
  • Freshly ground black pepper

Instructions
 

Build the pale, aromatic base

  • Heat olive oil in a large Dutch oven over medium heat. Add the diced yellow onion and sweat for about 5 minutes until translucent and sweet smelling, but not browned.
  • Stir in the sliced mushrooms and 1/2 teaspoon of salt. Cook for 10 minutes, stirring occasionally, until the mushrooms release their liquid and the pot becomes mostly dry and fragrant.
  • Clear a small space in the center and add the minced garlic. Let it bloom for 30 to 60 seconds until fragrant, then stir into the vegetables.

Poach the chicken gently

  • Pour in the chicken stock and water. Add the thyme sprigs, bay leaf, and the remaining 1 1/2 teaspoons of salt. Increase heat and bring to a boil.
  • Add the chicken breasts or thighs and bring back to a rapid simmer. Reduce heat to medium-low and cook for 10 to 15 minutes until the chicken is cooked through.
  • Remove the chicken to a plate to cool slightly for handling. Keep the broth at a steady simmer.

Noodles, greens, and that creamy emulsification

  • Bring the broth back to a rapid simmer. Break the lasagna noodles into bite-sized pieces directly into the pot. Cook for about 8 minutes, checking for an al dente texture.
  • Stir in the baby spinach and maintain a steady simmer for 8 to 10 minutes total until the spinach is wilted and the noodles are perfectly chewy.
  • While the noodles cook, shred the cooled chicken with two forks into bite-sized strands.
  • Return the shredded chicken to the pot. Remove the bay leaf and thyme stems. Stir in the Parmesan cheese and whole milk, bringing the soup back to a very gentle simmer to emulsify the dairy.
  • Taste and adjust with black pepper or more salt. Serve in bowls topped with a dollop of ricotta cheese.

Notes

Flavor Secret: For a restaurant-quality finish, mix your ricotta garnish with a bit of lemon zest and a pinch of ground nutmeg before serving.
Storage Tip: If you expect to have leftovers, store the cooked noodles in a separate container from the broth to prevent them from becoming mushy overnight.
Reheating Instructions: Reheat gently on the stovetop over low heat, adding a splash of broth or milk to restore the silky consistency.
Nutrition information is estimated based on common ingredients and serving sizes and may vary.
Keyword creamy soup, one-pot, white lasagna