Keto Turnip & Cheese Bake (Tastes Like a Hash Brown Casserole, Without the Carbs)

You know that warm feeling you get when a casserole comes out of the oven and everything smells like comfort? That’s exactly what we’re going for here.

If you’ve been missing hash brown casserole because you’re eating low carb or keto, this recipe is going to make your day. And no, it’s not packed with cauliflower or some mystery vegetable pretending to be potatoes. We’re using turnips, and they’re the quiet hero of this whole dish.

Now, before you turn your nose up at turnips (some folks do), give this a chance. When you bake them right, especially with cream, butter, and lots of cheese, they lose that bite and soak up flavor like a sponge.

What you get in return is something that’s crispy at the edges, soft in the center, and very close to the hash brown casserole your grandma made, minus the carb crash.

What You’ll Need

I don’t believe in dragging people into the kitchen with a bunch of fussy ingredients. This is a simple recipe, and everything here can be picked up at a regular grocery store.

Ingredients:

  • 4 medium turnips (look for the small, firm ones)

  • 1 cup shredded cheddar cheese (sharp works best)

  • 1/2 cup grated Parmesan

  • 1/2 cup heavy cream

  • 2 tablespoons unsalted butter

  • 1 teaspoon garlic powder

  • 1/2 teaspoon onion powder

  • Salt and black pepper, to taste

  • Optional: chopped green onions or chives for topping

  • Optional: crumbled bacon (because why not)

If you’re used to making hash brown casserole with frozen shredded potatoes, this will feel familiar. But instead of shredding potatoes, we’re grating raw turnips. Don’t worry, it’s not hard—we’ll get into that.

A Quick Chat About Turnips

Turnips can be tricky if you don’t treat them right. They’ve got a slightly peppery flavor raw, but once cooked down with cream and cheese, they mellow out. Texture-wise, they do a good job pretending to be shredded potatoes, especially in a baked dish like this.

Choose small to medium ones. The big ones tend to be woody and bitter. Peel them well and give them a good rinse—dirt likes to hide in those roots.

Let’s Get Cooking (Step-by-Step)

Before we start, preheat your oven to 375°F. You want it hot and ready by the time we’re layering this up.

Step 1: Peel and Grate the Turnips

Peel your turnips with a regular vegetable peeler. Once peeled, you’ll grate them using the large holes on a box grater or the shredding attachment of a food processor.

After grating, spread the turnips out on a few layers of paper towel and press gently to remove some moisture. They don’t need to be bone dry, just not soaking wet. This keeps your bake from turning into soup.

Step 2: Mix Up the Base

In a large bowl, mix the grated turnips with:

  • Cheddar cheese

  • Half the Parmesan

  • Garlic powder

  • Onion powder

  • A few pinches of salt and pepper

Toss everything together with your hands or a big spoon until the turnips are coated.

Step 3: Make It Creamy

In a small saucepan or microwave-safe bowl, heat the heavy cream and butter together until the butter melts. Stir to combine, then pour this over your turnip mixture. Give it all a good stir so every bite gets some of that buttery creaminess.

Step 4: Layer and Bake

Grease a medium baking dish (something like 8×8 or a small oval works great). Spoon the turnip mixture in and press it down gently with a spoon to make it even.

Sprinkle the remaining Parmesan on top. If you want bacon or green onions, this is where you can scatter those over the top too.

Bake for about 40–45 minutes. You’ll know it’s ready when the top is golden brown and crispy, and the edges are bubbling. Stick a fork in the center—it should slide in easily, and the inside should look set, not runny.

Let it cool for 10 minutes before digging in. This is important. It helps everything firm up a bit and makes slicing easier.

How It Feels on the Plate

What hits you first is the smell—cheesy, buttery, slightly toasty from the top. The turnips, now soft and rich, carry just enough structure to hold the bake together, like the shredded potatoes in a hash brown casserole. But they won’t spike your blood sugar or kick you out of ketosis.

This is comfort food that doesn’t punch you in the gut after. It’s filling without being heavy. The cheese adds body and sharpness, and the cream ties it all together.

Make this Keto Turnip & Cheese Bake Yours

The base recipe is solid, but if you want to mess with it (in a good way), here are a few tweaks:

  • Add bacon or sausage: Crumbled cooked sausage stirred into the mix gives it a breakfast casserole vibe. Perfect for weekends.

  • Try different cheese: Gouda or Gruyère gives it a smoky kick. Mozzarella makes it stretchier.

  • Add veggies: A handful of spinach or chopped cooked mushrooms goes well and adds more texture.

This is also a great way to use up leftovers. Grilled chicken? Toss it in. Bits of steak? Even better.

Leftovers? Yes Please

If you’ve got some left the next day, you’re in luck. This reheats well. Slice it cold, warm it in a pan or toaster oven, and you’re back in business. Honestly, it might even taste better the second day—like lasagna or chili.

It also makes a great breakfast. Throw a fried egg on top and you’ve got a keto-friendly breakfast hash brown casserole that actually holds you till lunch.

Family-Approved (Even If They’re Not Keto)

I’ve made this bake for people who didn’t even know what keto meant. And every time, someone said, “Wait… this isn’t potato?” That’s the power of turnips when they’re cooked right. They soak up everything you give them and then some.

It’s also a sneaky way to get your kids or picky eaters to eat a vegetable they normally wouldn’t touch.

Now the Kitchen Talk

The first time I made this, I was skeptical. I mean, turnips? But I’d run out of cauliflower, and I wasn’t about to head to the store. So I grated a few turnips sitting in the fridge and tossed them with some leftover cheese and cream. The result was surprisingly close to the hash brown casserole I grew up eating on Sunday mornings.

And now? I keep turnips in the fridge on purpose. It’s become a regular dinner rotation—especially when I need something warm and satisfying but don’t want to spend all night cooking.A Few More Tips From My Kitchen to Yours

  • If your turnips let off a lot of water during baking, try salting them lightly and letting them sit in a colander for 10 minutes before squeezing them dry. It helps reduce extra moisture.

  • For a crispy top, broil the last 2-3 minutes. But watch it like a hawk—cheese burns fast.

  • Letting it rest is key. Don’t skip that cooling time. It firms up and tastes better when it’s not piping hot.

Conclusion

This Keto Turnip & Cheese Bake isn’t just another low carb recipe—it’s comfort food that brings back old memories with a new twist. Think of it as a smarter version of hash brown casserole. One that still hits all the right notes: crispy edges, creamy center, cheesy everywhere.

It doesn’t scream diet food. It doesn’t make you feel like you’re missing out. It just tastes good, fills you up, and keeps you going.

And really, isn’t that what good food is supposed to do? Well trust me, once you’ve made it once, you’ll be coming back for more.

Print

Keto Turnip & Cheese Bake Recipe

This Keto Turnip & Cheese Bake is the perfect low-carb twist on classic hash brown casserole. Creamy, cheesy, and full of flavor, without the potatoes. Ideal for keto diet breakfast ideas, easy meal prep, or a cozy dinner side dish.

  • Author: Jane Summerfield
  • Prep Time: 15 minutes
  • Cook Time: 45 minutes
  • Total Time: 1 Hour
  • Yield: 6 servings 1x
  • Category: Breakfast, Side Dish
  • Method: Baking
  • Cuisine: American, Keto, Low-Carb

Ingredients

Scale
  • 4 medium turnips, peeled and grated

  • 1 cup shredded cheddar cheese (sharp preferred)

  • 1/2 cup grated Parmesan

  • 1/2 cup heavy cream

  • 2 tablespoons unsalted butter

  • 1 teaspoon garlic powder

  • 1/2 teaspoon onion powder

  • Salt and black pepper, to taste

  • Optional: chopped green onions or chives

  • Optional: crumbled cooked bacon

Instructions

  1. Preheat oven to 375°F.

  2. Grate peeled turnips and pat dry with paper towels.

  3. In a large bowl, mix turnips, cheddar, half the Parmesan, garlic powder, onion powder, salt, and pepper.

  4. Melt butter in cream (microwave or small pan) and stir into the turnip mix.

  5. Pour into a greased 8×8 baking dish. Press down evenly.

  6. Top with the rest of the Parmesan, and optional toppings if using.

  7. Bake 40–45 minutes until golden and bubbling.

  8. Let cool 10 minutes before serving.

Notes

  • Use smaller turnips for less bitterness.

  • Broil the last few minutes for a crispier top.

  • Great for breakfast with eggs or as a low carb dinner side.

  • Keeps well in the fridge, reheats beautifully.

Nutrition

  • Serving Size: 1 serving
  • Calories: 230 Sugar: 2g Sodium: 320mg Fat: 19g Saturated Fat: 11g Unsaturated Fat: 7g Trans Fat: 0g Carbohydrates: 6g Fiber: 2g Protein: 9g Cholesterol: 55mg

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