Vegetarian Rice Casserole is an elegant, make-ahead casserole with brown rice, mushrooms, carrot, green onion, parmesan cheese, and a touch of white wine. This creamy brown rice casserole recipe is perfect for a potluck or special occasion dinner and has phenomenally delicious flavor to complement any meal.
Heat 2 tablespoons olive oil in a heavy-bottomed pot. Add the carrot and sauté 3 minutes until carrot is just golden. Add the rice and cook 1 minute.
Add the stock and wine to the rice and bring to a boil. Cover, reduce heat to low, and simmer 45 minutes or until the liquid is absorbed and rice is tender.
Remove from the heat and add the salt, pepper, and parsley. Taste for seasoning, especially salt, and add more if desired.
Brown the mushrooms
While the rice is cooking, heat the remaining 3 tablespoons olive oil in a skillet over high heat. Add the mushrooms and sauté until nicely browned.
Add the green onion and garlic, and cook 1 minute until onion is softened and garlic is fragrant. Remove from the heat. Season with a pinch each kosher salt and cracked pepper.
Assemble the casserole
Layer half of rice mixture in a greased 13x9 baking dish. Spoon mushroom-onion mixture over the rice, and top with ½ cup parmesan. Spread the remaining rice on top and top with the remaining ½ cup parmesan.
In a bowl, whisk together the eggs, half-and-half, and nutmeg. Pour over the casserole. Cover and refrigerate 8-24 hours.
Cook the casserole
Remove the casserole from the refrigerator and let stand 20 minutes to come to room temperature.
Heat oven to 350°F. Bake the casserole uncovered at 350°F for 20 minutes or until heated through.
Calorie count is purely an estimate calculated using an online application to serve as a guide and not to be taken as accurate nutritional information. Percent Daily Values are based on a 2,000 calorie diet.
Keyword brown rice casserole, vegetarian rice casserole
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