Broccoli Rice Cheese Casserole

Picture a casserole dish emerging from the oven, its golden crust freckled with toasted panko, ribbons of molten cheddar bubbling at the edges, and the cozy aroma of onion, garlic, and buttery broccoli drifting through the kitchen.

Imagine spooning into tender grains of rice that cradle crisp-tender florets, each bite creamy yet pleasantly textured, the kind of warmth that lingers long after the plates are cleared.

This matters to me because it’s comfort you can count on—reliable, familiar, and deeply satisfying without being fussy.

On a night when homework, laundry, and deadlines collided, this Broccoli Rice Cheese Casserole saved dinner: minimal prep, simple pantry staples, and everyone went back for seconds.

It’s tailor-made for busy weeknights or easy Sunday suppers, a dependable side that can stretch into a main with a little leftover chicken or ham.

I’ll guide you through foolproof steps for peak flavor and texture.

Ready? Let’s cook!

Why You’ll Love It

  • Delivers cozy, cheesy comfort with tender broccoli and fluffy rice
  • Uses simple pantry staples for easy, budget-friendly prep
  • Bakes in one dish for minimal cleanup and hosting ease
  • Adapts easily with proteins or different cheeses for variety
  • Reheats beautifully; leftovers stay creamy and satisfying

Ingredients

  • 2 cups broccoli florets, chopped — drain well after blanching for best texture
  • 2 cups cooked rice, cooled — day-old rice keeps grains separate
  • 1 tablespoon unsalted butter — for sautéing aromatics
  • 1 tablespoon olive oil — prevents butter from burning
  • 1 small yellow onion, finely diced — pick firm, sweet-smelling onions
  • 2 cloves garlic, minced — use fresh for best flavor
  • 1 can (10.5 ounces) condensed cream of mushroom soup — low-sodium if available
  • 1/2 cup sour cream — full-fat gives creamier sauce
  • 1/2 cup milk — whole milk preferred for richness
  • 2 cups sharp cheddar cheese, shredded, divided — shred from a block for better melt
  • 1/4 teaspoon black pepper, ground — freshly ground for brighter spice
  • 1/2 teaspoon kosher salt — adjust to taste if soup is salty
  • 1/4 teaspoon paprika — adds mild warmth and color
  • 1/4 teaspoon dry mustard powder (optional) — boosts cheesy flavor subtly
  • 1/2 cup panko breadcrumbs — for extra-crispy topping
  • 1 tablespoon unsalted butter, melted — toss with panko to brown
  • 2 tablespoons parmesan cheese, grated — adds savory depth to topping
  • 1 tablespoon fresh parsley, chopped (optional) — sprinkle for fresh finish

Step-by-Step Method

Preheat & Prep the Dish

Preheat the oven to 350°F (175°C). Grease a 9×13-inch baking dish with butter or nonstick spray. Set out all ingredients and equipment. Shred the cheddar, dice the onion, and chop the broccoli into small florets.

Measure the rice, milk, sour cream, and seasonings. This mise en place speeds everything up and guarantees a smooth assembly.

Blanch the Broccoli

Bring a pot of salted water to a boil. Add the chopped broccoli and blanch for 2 to 3 minutes until bright green and crisp-tender. Drain immediately and let it steam-dry in a colander. Pat dry if needed. Removing excess moisture keeps the casserole from becoming watery and preserves texture.

Sauté the Aromatics

Heat olive oil and 1 tablespoon butter in a large skillet over medium heat. Add the diced onion and cook for 4 to 5 minutes until translucent and soft. Stir in the minced garlic and sauté 30 seconds until fragrant. Avoid browning.

Remove from heat and set aside to cool slightly before mixing.

Whisk the Creamy Base

In a mixing bowl, whisk the condensed cream of mushroom soup, sour cream, and milk until smooth. Add 1.5 cups shredded cheddar, salt, black pepper, paprika, and optional dry mustard. Whisk to combine. Taste and adjust seasoning if desired.

This creates a rich, cohesive sauce for even coating.

Fold in Rice, Broccoli & Onions

Add the cooled cooked rice to the bowl. Fold in the sautéed onions and garlic, then the well-drained broccoli. Mix gently until everything is evenly coated without crushing the rice or florets. Ensure the sauce is evenly distributed so each bite has creamy, cheesy flavor and balanced texture.

Assemble in the Baking Dish

Transfer the mixture to the greased 9×13-inch dish. Spread it into an even layer, pressing lightly to eliminate air pockets. Smooth the surface for uniform baking. This helps the casserole heat evenly and prevents dry spots.

Set aside while you prepare the crunchy topping and remaining cheese.

Mix the Crunchy Topping

In a small bowl, combine panko breadcrumbs with melted butter and grated parmesan. Toss until the crumbs are evenly moistened. Sprinkle the breadcrumb mixture evenly over the casserole. Top with the remaining 1/2 cup shredded cheddar, distributing it across the surface for a golden, cheesy crust.

Bake Covered, Then Uncovered

Cover the dish loosely with aluminum foil, avoiding contact with the cheese. Bake for 20 minutes to heat through. Remove the foil and continue baking 10 to 15 minutes until bubbly and golden on top.

The edges should sizzle slightly, and the topping should be crisp and lightly browned.

Rest, Garnish & Serve

Remove the casserole from the oven and let it rest for 5 minutes to set. Garnish with chopped fresh parsley for color and freshness. Slice or spoon into portions and serve warm. Pair with a simple green salad or roasted protein. Refrigerate leftovers promptly and reheat covered for best results.

Ingredient Swaps

  • Soup: Use cream of chicken or celery instead of mushroom; for no-canned-soup, make a quick roux (2 tbsp butter + 2 tbsp flour + 1 cup milk/stock) seasoned with salt, pepper, garlic.
  • Dairy-free: Swap sour cream and milk for unsweetened coconut or oat milk plus 2–3 tbsp dairy-free cream cheese; use vegan cheddar.
  • Gluten-free: Use gluten-free condensed soup or homemade roux with GF flour; replace panko with crushed GF crackers or GF panko.
  • Budget: Use frozen broccoli and block cheddar you shred yourself; replace sour cream with plain yogurt.
  • Protein add-ins: Stir in 2 cups cooked chicken, ham, tuna, or white beans.
  • Rice alternatives: Use brown rice, quinoa, or cauliflower rice (sauté cauli rice to remove moisture).
  • Flavor swaps: Add 1 tsp Dijon instead of dry mustard; mix cheddar with mozzarella, Monterey Jack, or Gruyère if available regionally.

You Must Know

Doneness • If the center looks set but the edges bubble aggressively, give it 5–8 more minutes uncovered until the middle visibly bubbles and the top is evenly golden; guarantees heat penetrated for safe, creamy texture.

Avoid • To prevent soggy texture, squeeze excess water from broccoli in a towel and spread rice to steam off for 5 minutes before combining; reduces free moisture so the casserole slices cleanly.

Troubleshoot • If the mixture feels too loose before it goes in the dish, fold in 1/2–1 cup extra cooled rice or 1/4 cup panko; tightens the base so it won’t weep, aiming for a thick, scoopable consistency.

Scale • For an 8×8-inch pan (about 2 quarts), use 2/3 of each ingredient and start checking doneness at 20 minutes total; smaller depth heats faster and prevents drying.

Flavor Boost • For deeper savoriness, add 1 teaspoon soy sauce or 1/2 teaspoon Worcestershire and 1/4 teaspoon onion powder to the sauce; boosts umami without extra salt—taste and adjust before assembly.

Serving Tips

  • Serve with roast chicken, meatloaf, or seared pork chops for a hearty meal.
  • Add a crisp side salad with lemon vinaigrette to balance richness.
  • Plate in warm bowls; finish with fresh parsley and a squeeze of lemon.
  • Pair with buttery chardonnay, light pinot noir, or iced tea for contrast.
  • Top individual portions with hot sauce or chili flakes for heat.

Storage & Make-Ahead

Refrigerate leftovers in an airtight container 3–4 days.

Reheat covered at 325°F until hot, then broil briefly to re-crisp topping.

Assemble up to 24 hours ahead.

Add 5–10 minutes to the initial covered bake.

Freezes well 2–3 months: wrap tightly.

Thaw overnight in fridge, then bake covered until bubbly.

Reheating

Reheat gently.

Cover portions and microwave at 50% power in short bursts.

Reheat in the oven at 325°F, covered, until warmed through.

Or warm on the stovetop over low heat with a splash of milk, stirring occasionally.

Church Potluck Staple

Often the first dish to disappear from a church potluck table, this broccoli rice cheese casserole brings cozy, crowd-pleasing comfort in every scoop. I carry it in warm, the cheddar perfume trailing me down the hallway, and I know we’ll leave with an empty pan.

It’s dependable—creamy rice, tender broccoli, and a golden, crackly topping that invites second helpings without fuss.

  • Steam curls from the baking dish, edges bubbling like stained glass.
  • Cheddar pulls in soft ribbons, anchoring every grain of rice.
  • Panko crowns the top, buttery and audibly crisp.
  • Specks of parsley wink green against molten gold.

I keep the pieces bite-sized, the rice cooled, and the seasoning balanced so each forkful sings. You bring the plates; I’ve got the comfort covered.

Final Thoughts

Ready to dig in? Give this cozy Broccoli Rice Cheese Casserole a try, and don’t hesitate to tweak it—add chicken, swap cheeses, or stir in mushrooms to make it your own!

Frequently Asked Questions

Can I Make This Casserole Gluten-Free Without Sacrificing the Topping’s Crunch?

Yes—you can. I’d swap in gluten-free panko or crushed rice crackers, toss with melted butter and parmesan, and bake uncovered briefly to crisp. I’ll keep broccoli well-drained and rice cooled, so everything stays light, crunchy, irresistible.

What Wine Pairs Best With Broccoli Rice Cheese Casserole?

I reach for a crisp Chardonnay or unoaked Chenin Blanc; they cut richness and lift broccoli’s green notes. If you love bubbles, I’d pour brut cava. Prefer red? I’d choose a light, chillable Gamay.

How Can I Add Spice Without Overwhelming the Dish?

Start with gentle heat: I’d stir in 1/4–1/2 teaspoon smoked paprika, a pinch cayenne, and cracked pepper. Then brighten with lemon zest. If you crave more, swirl in harissa or diced jalapeño before baking. Taste, adjust, enjoy.

Is This Casserole Suitable for Toddlers or Picky Eaters?

Yes—it’s toddler- and picky-eater friendly. I’d chop broccoli small, go light on paprika and mustard, and melt extra cheddar on top. If needed, I’ll stir in tiny chicken bits and serve warm, soft, and cozy.

Can I Freeze Individual Portions for Meal Prep?

Yes—you can. I portion it into freezer-safe containers, cool completely, then freeze. Reheat from thawed at 350°F, covered, until hot; broil a minute to re-crisp crumbs. Label dates, savor cozy squares all week.

broccoli rice baked cheesy casserole

Broccoli Rice Cheese Casserole

Prep Time 15 minutes
Cook Time 35 minutes
Resting Time 5 minutes
Total Time 55 minutes
Course Side
Cuisine American
Servings 6 servings

Equipment

  • 1 9×13 inch baking dish
  • 1 Medium saucepan
  • 1 large skillet
  • 1 Mixing bowl
  • 1 Whisk
  • 1 Cutting board
  • 1 Chef's knife
  • 1 Wooden spoon
  • 1 measuring cup set
  • 1 measuring spoon set
  • 1 aluminum foil sheet optional

Ingredients
  

  • 2 cup broccoli florets chopped
  • 2 cup cooked rice cooled
  • 1 tablespoon unsalted butter
  • 1 tablespoon olive oil
  • 1 small yellow onion finely diced
  • 2 cloves garlic minced
  • 1 can condensed cream of mushroom soup 10.5 ounces
  • 1/2 cup sour cream
  • 1/2 cup milk
  • 2 cup sharp cheddar cheese shredded, divided
  • 1/4 teaspoon black pepper ground
  • 1/2 teaspoon kosher salt
  • 1/4 teaspoon paprika
  • 1/4 teaspoon dry mustard powder optional
  • 1/2 cup panko breadcrumbs
  • 1 tablespoon unsalted butter melted
  • 2 tablespoon parmesan cheese grated
  • 1 tablespoon fresh parsley chopped, optional

Instructions
 

  • Preheat the oven to 350°F (175°C) and grease the 9×13-inch baking dish.
  • Steam or blanch the chopped broccoli for 2 to 3 minutes until crisp-tender, then drain well.
  • Heat the olive oil and 1 tablespoon butter in a large skillet over medium heat.
  • Sauté the diced onion for 4 to 5 minutes until translucent, then add the garlic and cook 30 seconds more.
  • In a mixing bowl, whisk together the condensed soup, sour cream, and milk until smooth.
  • Stir in 1.5 cups shredded cheddar, black pepper, salt, paprika, and mustard powder until combined.
  • Fold the cooked rice, sautéed onions and garlic, and drained broccoli into the cheese mixture until evenly coated.
  • Transfer the mixture to the prepared baking dish and spread into an even layer.
  • In a small bowl, toss panko with melted butter and parmesan, then sprinkle evenly over the casserole.
  • Top with the remaining 1/2 cup shredded cheddar.
  • Cover loosely with foil and bake for 20 minutes, then uncover and bake 10 to 15 minutes more until bubbly and golden.
  • Let the casserole rest for 5 minutes, garnish with parsley, and serve warm.

Notes

For best texture, ensure the broccoli is well-drained to prevent a watery casserole, and use day-old or cooled rice so the grains stay separate. You can swap cream of mushroom for cream of chicken or make a quick homemade sauce with a butter-flour roux and milk if avoiding canned soup. Mix in cooked chicken, ham, or sautéed mushrooms for a heartier version, or use a blend of cheddar and Gruyère for deeper flavor. If prepping ahead, assemble up to one day in advance, refrigerate, and add 5 to 10 minutes to the initial covered bake time. Leftovers reheat well covered at 325°F, and the breadcrumb topping stays crisp if refreshed under the broiler for 1 to 2 minutes.
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