This One-Pan Broccoli-Rice Casserole is the ideal balance of comfort and nutrition. It lightens up the traditional casserole without compromising on flavor, making it a healthier, yet still indulgent, option for a family meal.

One-Pan Broccoli-Rice Casserole

Why You’ll Love This Recipe

I love this recipe because it combines the cozy, familiar flavors of a classic broccoli-rice casserole with a healthier twist. The use of brown rice adds a nutritious touch, while the savory filling made with sautéed mushrooms and onions brings a deep, rich flavor to the dish. I especially appreciate how everything comes together in just one pan, saving me from having to do extra dishes. And of course, the crispy panko topping with melted cheese makes every bite irresistible.

Ingredients

3 Tbsp. olive oil, divided
1 cup chopped yellow onion (about 1 medium onion)
1 (8-oz.) pkg. sliced fresh cremini mushrooms
1 1/2 cups uncooked instant long-grain brown rice (such as Minute)
1 tsp. kosher salt
1 tsp. garlic powder
1 tsp. dry mustard
1/2 tsp. paprika
1/2 tsp. black pepper
2 1/2 cups chicken broth
3/4 cup panko breadcrumbs
4 cups fresh broccoli florets, cut into 1-inch pieces
4 oz. Colby Jack cheese, shredded (about 1 cup)
3 oz. extra-sharp Cheddar cheese, shredded (about 3/4 cup)

(Here’s a tip: Check out the full list of ingredients and measurements in the recipe card below.)

Directions

  1. Heat 2 tablespoons of olive oil in a large, high-sided skillet over medium-high heat. Add the chopped onion and sliced mushrooms. Cook, stirring occasionally, for about 7-8 minutes, until the mushrooms are lightly browned and their liquid has evaporated.

  2. Stir in the rice, kosher salt, garlic powder, dry mustard, paprika, and black pepper. Cook for about 1 minute until the mixture is fragrant and the rice is coated in the oil and spices.

  3. Add the chicken broth, bring to a boil, then reduce the heat to medium. Cover and let simmer for 8 minutes. The rice will still have some liquid left, and it won’t be fully tender yet.

  4. In the meantime, mix the panko breadcrumbs with the remaining 1 tablespoon of olive oil. Set aside.

  5. Stir in the broccoli and cover the skillet. Cook for 5-7 minutes, until the broccoli is tender and bright green and the rice is fully cooked.

  6. Remove from heat and stir in the Colby Jack cheese until it melts and becomes creamy.

  7. Sprinkle the shredded Cheddar cheese and panko mixture evenly over the top.

  8. Preheat your broiler with the oven rack about 5 inches from the heat source. Broil for 2 minutes, or until the cheese is melted and the panko topping is golden brown.

Servings and Timing

This recipe makes 8 servings, and it takes approximately 35 minutes to prepare and cook.

Variations

  • Vegan: Swap out the cheeses for plant-based alternatives, and use vegetable broth instead of chicken broth.

  • Meat lovers: Add cooked chicken or turkey for extra protein.

  • Spicy: For some heat, add red pepper flakes or a splash of hot sauce.

Storage/Reheating

Leftovers can be stored in an airtight container in the fridge for up to 3 days. To reheat, warm it in the oven at 350°F for 10-15 minutes or microwave individual portions for 1-2 minutes.

FAQs

Can I use regular white rice instead of brown rice?

Yes, you can substitute white rice, but be aware that white rice cooks faster, so adjust the cooking time accordingly.

Can I make this casserole ahead of time?

Yes, you can prepare it up to the point of broiling. Store the casserole in the fridge and broil it just before serving.

Can I use frozen broccoli?

Frozen broccoli can work, but fresh broccoli gives the best texture. If using frozen, make sure to thaw and drain it first to avoid excess moisture.

What other cheeses can I use?

Feel free to swap in other cheeses like Monterey Jack, mozzarella, or even Gruyère for a different flavor profile.

Is this casserole gluten-free?

To make this casserole gluten-free, swap the panko breadcrumbs for gluten-free breadcrumbs or crushed gluten-free crackers.

Conclusion

This One-Pan Broccoli-Rice Casserole is a delicious and easy-to-make dish that’s perfect for any occasion. It’s a healthier twist on a beloved classic, and the one-pan method makes it incredibly convenient for busy days. With its creamy, cheesy filling and golden panko topping, it’s sure to be a hit at the dinner table!

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One-Pan Broccoli-Rice Casserole

One-Pan Broccoli-Rice Casserole


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  • Author: Jane
  • Total Time: 35 minutes
  • Yield: 8 servings
  • Diet: Vegetarian

Description

This One-Pan Broccoli-Rice Casserole is a lighter, healthier version of the comfort food classic. Packed with fresh broccoli, brown rice, mushrooms, and gooey cheese, it’s a nutritious and satisfying family meal—all made in one pan.


Ingredients

3 Tbsp. olive oil, divided

1 cup chopped yellow onion (about 1 medium onion)

1 (8-oz.) pkg. sliced fresh cremini mushrooms

1 1/2 cups uncooked instant long-grain brown rice

1 tsp. kosher salt

1 tsp. garlic powder

1 tsp. dry mustard

1/2 tsp. paprika

1/2 tsp. black pepper

2 1/2 cups chicken broth

3/4 cup panko breadcrumbs

4 cups fresh broccoli florets, cut into 1-inch pieces

4 oz. Colby Jack cheese, shredded (about 1 cup)

3 oz. extra-sharp Cheddar cheese, shredded (about 3/4 cup)


Instructions

  1. Heat 2 Tbsp. olive oil in a large skillet over medium-high. Add onion and mushrooms. Cook, stirring occasionally, for 7–8 minutes until browned.
  2. Add rice, salt, garlic powder, dry mustard, paprika, and black pepper. Cook 1 minute, stirring, to coat rice.
  3. Add chicken broth. Bring to a boil, reduce heat to medium, cover, and simmer 8 minutes.
  4. Meanwhile, combine panko and remaining 1 Tbsp. olive oil. Set aside.
  5. Stir in broccoli, cover, and cook 5–7 minutes until broccoli is tender and rice is cooked.
  6. Remove from heat and stir in Colby Jack cheese until melted.
  7. Sprinkle Cheddar and panko mixture on top.
  8. Preheat broiler with rack 5 inches from heat. Broil for 2 minutes until topping is golden.

Notes

  • Use vegetable broth and plant-based cheese for a vegan version.
  • Add cooked chicken or turkey for extra protein.
  • Spice it up with red pepper flakes or hot sauce.
  • Substitute frozen broccoli (thawed and drained) if needed.
  • Prep Time: 10 minutes
  • Cook Time: 25 minutes
  • Category: Main Dish
  • Method: Stovetop, Broiling
  • Cuisine: American

Nutrition

  • Serving Size: 1/8 of casserole
  • Calories: 270
  • Sugar: 3g
  • Sodium: 560mg
  • Fat: 14g
  • Saturated Fat: 5g
  • Unsaturated Fat: 8g
  • Trans Fat: 0g
  • Carbohydrates: 26g
  • Fiber: 3g
  • Protein: 10g
  • Cholesterol: 20mg

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