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Butternut Squash Bomba di Riso (Rice Casserole)

Butternut Squash <em>Bomba di Riso</em> (Rice Casserole) Related:   dairy, Europe, gluten-free, kid-friendly, rice & grains, Shavuot, Sukkot, vegetarian

Prep time: 40 mins

Cook time: About 25 mins

Yield: 6–8 side dish servings

There’s not much better than risotto—except turning it into a baked casserole with a golden crust and a fall-inspired filling of melting cheeses and roasted squash and shallots. Although the Italian bomba di riso is traditionally a molded rice dish, these layers work beautifully in a regular dish. In the fall, grocery stores often carry pre-cut butternut squash cubes, which saves significant prep time. This recipe is gluten-free, and you can substitute water or stock for the wine if you prefer.


  • 5 cups pre-cut peeled, seeded and cubed butternut squash (approximately ½- to ¾-inch cubes)
  • 1 cup peeled, sliced and coarsely chopped shallots
  • Extra-virgin olive oil
  • Kosher salt
  • Freshly ground black pepper
  • ½ teaspoon ground nutmeg
  • 1 tablespoon unsalted butter
  • 3 cloves of garlic, finely chopped
  • 2 cups Arborio (short-grained) rice
  • 3 cups water or stock
  • 1 cup dry white wine, such as Pinot Grigio
  • ¾ cup finely grated Parmesan cheese, divided
  • ¾ cup shredded part-skim mozzarella
  • ¾ cup shredded fontina cheese


  • Preheat oven to 425 degrees. Toss the squash and shallots with olive oil to coat. Spread on a rimmed baking sheet in a single layer and season with salt, pepper and nutmeg. Roast 20 to 30 minutes (stirring once or twice) until squash is tender and lightly browned.
  • Remove and reduce heat to 400 degrees. Use the back of a fork to lightly mash the squash mixture (it should still be somewhat lumpy). Set aside.
  • While the squash roasts, heat 1 tablespoon olive oil and the 1 tablespoon butter in a medium saucepan over medium-high heat. Add the rice and cook, stirring frequently, for about 1½ minutes, then add the garlic and continue stirring until edges of rice turn slightly translucent and garlic is fragrant, another minute or so. Stir in 1½ teaspoons kosher salt, black pepper to taste and the water or stock and wine. Bring to a boil, reduce heat to low, cover and simmer without stirring for about 15 minutes, until rice is swollen but still very firm in the middle—just slightly chewier than if you were serving it as risotto.
  • Remove from heat, pour off excess liquid and stir in ½ cup of the Parmesan. Taste and add salt and pepper if needed.
  • Oil a 2-quart 9-by-9-inch or similar-sized casserole dish. Spoon half of rice mixture into the dish and smooth the top. Evenly cover with the squash mixture then mozzarella and fontina cheeses. Top with remaining rice. Smooth the top and sprinkle evenly with remaining ¼ cup Parmesan.
  • Bake until hot and starting to brown, about 20 minutes. Turn broiler on high and broil another 2 to 4 minutes to lightly brown the top.
  • Remove from oven and let stand 10 minutes before cutting and serving.

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