Cauliflower Casserole - Super Tasty Recipes

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Prep Time:15

Cook Time:20

Total Time:35

Ingredients

1 large head cauliflower (cut into florets; or use 2 12-ounce bags frozen cauliflower, steamed until tender)
½ cup mayonnaise
½ cup sour cream
1 tbsp minced garlic
½ tsp salt
½ tsp ground black pepper
2 cups sharp cheddar cheese (shredded and divided)
½ cup bacon pieces (divided)
chopped fresh parsley (for garnish)

Instructions

Step 1: Heat the Oven and Prepare the Baking Dish - Preheat your oven to 425°F. Grease a medium baking dish well so the creamy cheese mixture does not stick around the edges as it bakes. I like getting this done first because once the cauliflower is steamed and everything is mixed together, you can move straight into assembly without stopping to hunt down cooking spray or grease a dish with a bowl full of cauliflower waiting on the counter.
Step 2: Steam the Cauliflower Until Tender - If you are using fresh cauliflower, cut the head into evenly sized florets so they cook at roughly the same speed. Steam the cauliflower until it is tender but not falling apart. You want a fork to slide into the thicker pieces without much resistance. If you are using frozen cauliflower, steam it according to the package directions until tender. Let any excess water drain away before mixing because too much moisture can make the finished casserole watery.
Step 3: Mix the Creamy Garlic Sauce - In a small bowl, stir together the mayonnaise, sour cream, minced garlic, salt, and black pepper. Keep stirring until the mixture looks smooth and the garlic and seasonings are evenly distributed. This little bowl does a lot of work in the recipe. Mixing the sauce separately means you are less likely to end up with one bite that has all the garlic and another that somehow missed the seasoning entirely.
Step 4: Combine the Cauliflower, Cheese, and Bacon - Place the steamed cauliflower in a large bowl. Add half of the shredded sharp cheddar cheese and half of the bacon pieces. Pour the mayonnaise and sour cream mixture over everything, then gently toss until the cauliflower is coated. Take your time here because steamed cauliflower can be delicate. You want to coat the florets without smashing them into tiny pieces.
Step 5: Fill the Baking Dish and Add the Topping - Transfer the cauliflower mixture to your prepared baking dish and spread it into an even layer. Sprinkle the remaining cheddar cheese across the top, then scatter the rest of the bacon pieces over the cheese. Spreading everything evenly helps the casserole heat consistently and gives everyone a fair shot at getting some of that melted cheese and bacon on their scoop.
Step 6: Bake Until Hot and Bubbling - Place the casserole in the preheated oven and bake for about 20 minutes. You are looking for melted cheese across the top and a casserole that is hot and bubbling around the edges. Since the cauliflower is already cooked before it goes into the oven, this baking time is really about bringing all the ingredients together and giving the cheese time to melt into that cozy top layer.
Step 7: Garnish and Serve Warm - Remove the baking dish from the oven and sprinkle chopped fresh parsley over the top. Let the casserole sit for a few minutes before serving so the creamy sauce has a chance to settle around the cauliflower. Then spoon it onto plates while the cheddar is still warm and soft. This is the moment when everybody at my table suddenly seems to notice dinner is ready.

Notes

Substitutions

Frozen cauliflower for fresh cauliflower: Use two 12 ounce bags of frozen florets and steam them until tender before assembling the casserole.
Plain Greek yogurt for sour cream: Plain Greek yogurt can replace the sour cream if that is what you already have in the refrigerator, although the flavor will be slightly tangier.
Regular cheddar for sharp cheddar: Mild or medium cheddar will still melt nicely, but the finished casserole will have a gentler cheese flavor.
Turkey bacon for regular bacon: Turkey bacon can work if you prefer it, especially if you cook it until crisp before adding it to the casserole.
Garlic powder for minced garlic: If you are out of fresh or jarred minced garlic, garlic powder can provide similar savory flavor in a pinch.

Variations

Extra cheesy cauliflower casserole: Add a little more cheddar to the top if your family is firmly in the more cheese camp.
Broccoli and cauliflower casserole: Replace part of the cauliflower with steamed broccoli florets for a colorful vegetable combination.
Spicy cauliflower casserole: Stir a small pinch of crushed red pepper or a little hot sauce into the creamy mixture for gentle heat.
Onion flavored casserole: Add a little onion powder to the sauce for another layer of savory flavor.
Herb cauliflower casserole: Mix chopped chives into the filling or sprinkle them over the top with the parsley before serving.
Crunchy topped casserole: Add a light layer of crushed crackers or toasted breadcrumbs over the cheese if you enjoy a crisp topping.

Tips and Tricks

Drain the cauliflower well: Extra water is the biggest thing that can thin out the creamy sauce, so give steamed cauliflower a moment to drain before mixing.
Do not overcook the cauliflower: You want it tender before baking, but it should still hold its shape when you gently toss everything together.
Shred your own cheese when possible: Freshly shredded cheddar usually melts more smoothly and gives you that soft, creamy cheese layer everyone wants from a casserole.
Use sharp cheddar for more flavor: Cauliflower is mild, so a stronger cheese gives the dish more personality without requiring extra seasoning.
Mix gently: Fold the sauce through the cauliflower rather than stirring aggressively so your florets stay intact.
Let it rest before serving: A few minutes on the counter gives the casserole time to settle and makes it easier to spoon onto plates.
Taste your bacon before adding extra salt: Bacon and cheddar both bring saltiness, so the amount in the original recipe is usually plenty.

Serving Ideas

Roast chicken: A simply seasoned roast chicken and this creamy cauliflower casserole make a cozy family dinner without competing flavors.
Baked pork chops: The cheesy cauliflower works especially well next to juicy pork chops and a simple green vegetable.
Holiday ham: Salty ham and creamy cauliflower are an easy pairing for Easter, Christmas, or any bigger family gathering.
Roast turkey: Serve this in place of another heavy potato side when you want something familiar but a little different on the holiday table.
Meatloaf: A slice of meatloaf with a generous spoonful of cauliflower casserole beside it is the kind of dinner that disappears quickly at our house.
Simple salad: Add a crisp green salad with a bright dressing to balance the richness of the cheddar and bacon.
Grilled steak: The creamy casserole makes a hearty vegetable side for steak without needing another complicated dish.

Storage and Make Ahead Tips

Refrigerating leftovers: Transfer cooled leftovers to an airtight container or cover the baking dish well and refrigerate for up to 3 to 4 days.
Reheating individual portions: Warm smaller servings in the microwave until heated through, stirring gently if needed so the sauce warms evenly.
Reheating the baking dish: Cover the casserole and warm it in the oven until hot, removing the cover near the end if you want the cheese on top to soften again.
Preparing one day ahead: Assemble the casserole, cover it tightly, and refrigerate until the next day. Bake when you are ready, allowing a little extra time if the dish is going into the oven cold from the refrigerator.
Keeping the topping fresh: For the nicest bacon texture, save some of the bacon for the top and add it just before baking.
Freezing the casserole: You can freeze leftovers, but creamy sauces can change texture slightly after thawing. For the best creamy consistency, I prefer making this casserole fresh or refrigerating it for a few days.

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Servings: servings