Broccoli Cheese Casserole with Creamy Rice Sauce

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

A comforting casserole layering tender broccoli florets with a creamy cheese sauce and fluffy rice, baked to golden perfection. This american-inspired vegetarian (vegetarian) ready in about 55 minutes blends broccoli florets, cooked white rice, butter into a versatile sauce that lifts everything from grain bowls and roasted vegetables to grilled proteins — a small-batch staple worth keeping in the fridge. Each serving lands at about 320 calories and feeds 6, so a small batch covers several meals across the week without taking over the fridge. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

★ 4.7 (25 ratings) Prep: 15 min Cook: 40 min Serves 6 American cuisine 320 cal/serving
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Ingredients

Instructions

  1. Step 1: Preheat oven to 350°F. Steam 4 cups broccoli florets until just tender, about 5 minutes, then drain well.
  2. Step 2: In a medium saucepan, melt 3 tbsp butter over medium heat. Whisk in 3 tbsp all-purpose flour and cook for 1 minute until lightly golden and fragrant.
  3. Step 3: Gradually whisk in 2 cups milk, continuing to whisk until the sauce thickens and coats the back of a spoon, about 5 minutes. Remove from heat and stir in 2 cups shredded sharp cheddar cheese, 1 tsp onion powder, 1 tsp salt, and 1/2 tsp black pepper until smooth.
  4. Step 4: In a large mixing bowl, combine the steamed broccoli, 2 cups cooked white rice, and cheese sauce. Mix until well combined.
  5. Step 5: Transfer mixture to a greased 9x13-inch baking dish, sprinkle 1/2 cup bread crumbs evenly over the top.
  6. Step 6: Bake uncovered for 25-30 minutes until the top is golden and bubbly. Let rest for 5 minutes before serving.

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Frequently asked questions

How long does Broccoli Cheese Casserole with Creamy Rice Sauce take to make?

Total time is about 55 minutes (15 min prep + 40 min cook). A small batch typically covers several meals in the week — store as the recipe directs.

How do I store leftover Broccoli Cheese Casserole with Creamy Rice Sauce?

Transfer to an airtight jar and refrigerate for up to 5–7 days. Most sauces freeze well for up to 2 months — portion into small containers or freezer bags so you can thaw only what you need. Stir before serving; cream- or yogurt-based sauces may separate on standing.

Can I substitute ingredients in Broccoli Cheese Casserole with Creamy Rice Sauce?

Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.

How do I scale Broccoli Cheese Casserole with Creamy Rice Sauce for a different number of people?

The recipe is written for 6 servings. Multiply each ingredient by (your serving target / 6). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.

Is Broccoli Cheese Casserole with Creamy Rice Sauce vegetarian?

Yes — this recipe is tagged vegetarian based on its ingredient list. Always cross-check labels for packaged ingredients (sauces, broths, condiments) since formulations vary by brand.