Cheesy Broccoli and Cheddar Casserole

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

A comforting, high-fat casserole featuring tender broccoli smothered in a creamy cheddar sauce, baked until golden and bubbly for a satisfying keto side dish. This american-inspired slow cooker (keto, low-carb) ready in about 35 minutes pairs chopped florets broccoli, shredded cheddar cheese, softened cream cheese for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 350 calories and feeds 4, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. 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.

★ 3.4 (10 ratings) Prep: 15 min Cook: 20 min Serves 4 American cuisine 350 cal/serving
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Ingredients

Instructions

  1. Step 1: Preheat oven to 375°F (190°C). Steam broccoli for 5 minutes until crisp-tender, then drain and set aside.
  2. Step 2: In a small saucepan over low heat, melt butter. Whisk in onion powder, salt, and pepper, then stir in cream cheese until smooth.
  3. Step 3: Remove from heat and whisk in heavy cream and 1/4 cup cheddar until fully combined. Add broccoli and toss gently to coat.
  4. Step 4: Transfer mixture to a greased 8x8-inch baking dish. Top with remaining 1/4 cup cheddar cheese and bake for 20 minutes until golden and bubbly around the edges.

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Frequently asked questions

How long does Cheesy Broccoli and Cheddar Casserole take to make?

Total time is about 35 minutes (15 min prep + 20 min cook). Most home cooks find this fits comfortably into a weeknight; double the batch on Sunday for two dinners.

How do I store leftover Cheesy Broccoli and Cheddar Casserole?

Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat covered in a 350°F oven for 10-12 minutes, or microwave at 70% power in 60-second bursts to keep chopped florets broccoli from drying out.

Can I substitute ingredients in Cheesy Broccoli and Cheddar Casserole?

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 Cheesy Broccoli and Cheddar Casserole for a different number of people?

The recipe is written for 4 servings. Multiply each ingredient by (your serving target / 4). 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 Cheesy Broccoli and Cheddar Casserole keto?

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

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