Conchiglie al Forno with Mushrooms and Radicchio

6 to 8 as an appetizer
  • 6 ounces shiitake mushrooms, cleaned and trimmed
  • 8 tablespoons (1 stick) unsalted butter
  • 1 teaspoon kosher salt
  • 2 cups (2 medium heads) finely shredded radicchio
  • 2 1/2 cups heavy cream
  • 1/2 cup freshly grated Parmigiano-Reggiano (1 1/2 ounces)
  • 1/2 cup coarsely shredded fontina (1 1/2 ounces)
  • 1/2 cup crumbled Gorgonzola (3 ounces)
  • 2 teaspoons ricotta
  • 6 leaves fresh sage, chopped (see note)
  • 1 pound imported conchiglie rigate (pasta shells)
Watch how to make this recipe.
  • Preheat the oven to 500 degrees F.

  • Bring 5 quarts of salted water to a boil in a stockpot.

  • Remove the stems from the mushrooms and reserve for another use. Slice the mushroom caps about 1/4-inch thick. Heat 6 tablespoons of butter in a large skillet; add the mushrooms and 1/4 teaspoon salt. Saute over medium heat, stirring frequently, until they are cooked through, 3 to 5 minutes.

  • In a large mixing bowl, combine the mushrooms, radicchio, cream, cheeses, sage, and remaining salt.

  • Parboil the pasta shells for 4 minutes; drain and add to the ingredients in the mixing bowl. Toss to combine.

  • Divide the pasta mixture among 6 to 8 individual, shallow, ceramic gratin dishes (1 1/2 to 2 cup capacity). Dot with the remaining 2 tablespoons of butter and bake until bubbly and brown on top, about 7 to 10 minutes.

  • Note: In the absence of fresh sage, do not substitute dried. As a substitute, choose one of the following: 1 tablespoon coarsely chopped fresh tarragon OR 1 teaspoon fresh thyme leaves OR

  • 8 leaves fresh rosemary OR 1/4 teaspoon fennel seed

  • Note: You may garnish with fresh Italian parsley, but do not cook the parsley in the pasta.

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