Wild Rice & Mushroom Casserole

This hearty vegetarian main course casserole would be a lovely option to serve vegetarian guests during the holidays. We ate it as a cozy winter meal with roasted broccoli and green salad.

The puréed beans add creaminess to the filling. After reading comments about this recipe online, I was apprehensive to include all of the bean liquid required in the original recipe because others had complained that the final consistency was mushy. I only used half of a cup but next time I would include 1 cup or even additional liquid (noted below).

This recipe was adapted from The New York Times, contributed by Melissa Clark. I substituted celery for fennel, added a chipotle chile, used mixed baby greens, and reduced the breadcrumbs, beans, liquid, and baking time. It was the ultimate dish to utilize my brand new giant 14-inch skillet. Yay! The vegetables could be cooked in batches if using a smaller pan, of course.

Yield: 12 servings

  • 2 ¼ cups vegetable, mushroom or chicken stock
  • coarse salt
  • 1 ¼ cups wild rice, rinsed
  • 9 t0 10 tablespoons extra-virgin olive oil, more as needed
  • 24 oz sliced mushrooms, preferably a mix of different kinds (I used cremini mushrooms.)
  • 3 leeks, white and light green parts only, thinly sliced
  • 1 celery heart or 2 fennel bulbs, trimmed and chopped
  • 5 ounces mixed baby kale, chard, and spinach
  • 7 fat garlic cloves (4 chopped, 3 finely grated or crushed into a paste)
  • ½ tablespoon tomato paste
  • teaspoon red pepper flakes
  • (14-ounce) cans white beans, strained with liquid reserved (I used cannellini beans.)
  • 1 chipotle chile in adobo sauce (about 2 tsp)
  • tablespoons freshly squeezed lemon juice
  • cup chopped fresh cilantro (or basil)
  • cup chopped fresh parsley
  • 1 1/4 cups panko or coarse bread crumbs
  • 1 tablespoon fresh rosemary, chopped
  • 1 tablespoon finely grated lemon zest
  • cup grated Parmesan cheese, optional
  1. Taste broth; if bland, season to taste with salt. In a medium pot, bring broth to a boil over high heat. Stir in rice, lower heat, cover and simmer until just tender, about 1 hour, or according to package directions. Fluff rice with a fork, cover and let stand for 10 minutes.
  2. Meanwhile, sauté vegetables: In a large, heavy skillet, heat 3 tablespoons oil over medium-high heat. Add the mushrooms and cook, stirring, until brown and crispy, about 8 to 10 minutes. (If using a smaller pan, cook in batches, adding oil if necessary.)
  3. Adjust heat as needed to prevent burning. Transfer cooked mushrooms to a plate and sprinkle lightly with salt.
  4. In the empty skillet, heat 2 tablespoons oil over medium heat. Stir in leeks, fennel/celery and 1 teaspoon salt; cook, stirring, until soft but not browned, about 8 minutes.
  5. Stir in baby greens, chopped garlic, tomato paste and red pepper flakes, and cook until garlic starts turning golden, another 2 minutes. Remove skillet from heat.
  6. Heat oven to 400 degrees, and oil a 9-by-13-inch casserole dish. (I used cooking oil spray.)
  7. In a blender, purée 2 cans beans with 1/2 cup to 1 cup of the reserved liquid, chipotle, lemon juice, 1 grated garlic clove, and salt to taste. (I used a Vitamix.)
  8. Stir bean purée, remaining whole beans (drained), mushrooms, cilantro, parsley and cooked wild rice into skillet with vegetables. Taste and add more salt or lemon as needed; it should be well seasoned. Add additional bean liquid, if necessary, in order to achieve desired consistency. Scrape into prepared baking dish.
  9. In a small bowl, combine bread crumbs, rosemary, lemon zest, remaining 2 grated garlic cloves and 1/4 teaspoon salt. Stir in 1/4 cup olive oil and Parmesan, if using.
  10. Sprinkle evenly on top of casserole and bake until golden, 15 to 20 minutes. Let cool slightly before serving.
Note: To make part of this recipe in advance, assemble casserole and prepare topping (separately) up to 24 hours ahead. Refrigerate, covered, in separate containers. Just before baking, spread breadcrumb topping evenly over the casserole. Cover with foil and bake for 20 minutes. Remove foil and continue baking until heated through and topping is golden, another 20 to 30 minutes.

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About Josette@thebrookcook

I live in Stony Brook, New York on Long Island. I love garlic and baking. My hobby (and love) is to try new recipes. My favorite recipe resources include The New York Times, Food and Wine, Bon Appetit, and Martha Stewart Living. Enjoy!

7 responses to “Wild Rice & Mushroom Casserole

  1. This looks delicious…like all of your recipes!

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