If you’re looking for a fresh and vibrant way to enjoy low-carb veggies, Keto Sweet and Sour Turnips might just become your new favorite side dish. This recipe transforms humble turnips into golden, tender bites, all coated in a tangy-sweet sauce that’s completely sugar-free. Whether you’re keto, gluten-free, or just love creative veggie dishes, this one delivers big flavor without the carb overload. With a perfect balance of tart apple cider vinegar, aromatic spices, and a hint of sweetness, Keto Sweet and Sour Turnips are a fun twist on a classic flavor pairing — and a guaranteed crowd-pleaser at any meal.

Ingredients You’ll Need
The beauty of Keto Sweet and Sour Turnips is in its simplicity. Each ingredient brings something special to the table, from the earthy richness of turnips to the zing of vinegar and the mellow sweetness of a keto-friendly sweetener. Here’s what you’ll need, along with a helpful tip for each:
- Turnips (3 medium, peeled and diced): The star of the show, turnips become wonderfully golden and tender when roasted.
- Olive oil (2 tablespoons): Adds richness and helps the turnips caramelize in the oven.
- Salt and pepper (to taste): Brings out the natural flavors of the turnips and balances the sauce.
- Butter (1 tablespoon): Gives the sauce a silky finish and adds depth of flavor.
- Chopped onion (1/4 cup): Provides sweetness and a savory base for the sauce.
- Apple cider vinegar (1 tablespoon): The key to that authentic sweet and sour tang.
- Granular erythritol or monk fruit sweetener (2 teaspoons): Delivers just the right amount of sweetness without sugar.
- Garlic powder (1/2 teaspoon): Infuses savory warmth throughout the dish.
- Smoked paprika (1/4 teaspoon): Adds a hint of smokiness and color.
- Xanthan gum (1/4 teaspoon, optional): Thickens the sauce for a glossy finish.
- Chopped parsley (optional, for garnish): Lends a burst of freshness and color just before serving.
How to Make Keto Sweet and Sour Turnips
Step 1: Roast the Turnips
Preheat your oven to 400°F (200°C). Toss the diced turnips with olive oil, salt, and pepper directly on a baking sheet, ensuring every piece gets a glossy coating. Spread them out in a single layer so they roast evenly and don’t steam. Pop the tray into the oven and roast for 25 to 30 minutes, flipping the pieces halfway through. You’re looking for beautifully golden sides and fork-tender texture — don’t be afraid to let them get a little caramelized for maximum flavor.
Step 2: Sauté the Onion and Build the Sauce
While your turnips are roasting, melt the butter in a large skillet over medium heat. Add the chopped onion and sauté for 3 to 4 minutes, stirring occasionally, until the onion is soft, translucent, and fragrant. This step lays the foundation for your sweet and sour sauce, so give the onions time to mellow and release their natural sweetness.
Step 3: Create the Sweet and Sour Magic
To the skillet, stir in the apple cider vinegar, your chosen keto sweetener, garlic powder, smoked paprika, and a pinch of salt. Let this mixture simmer for 2 to 3 minutes, whisking occasionally as the flavors meld. If you prefer a thicker, more luxurious sauce, sprinkle in the xanthan gum and cook for an extra minute, whisking well to avoid clumps.
Step 4: Combine and Finish
Now for the fun part: add your roasted turnips to the skillet. Toss everything together so each piece is lovingly coated in the sweet and sour sauce. Let the turnips cook for another 2 minutes, just until they’re heated through and infused with all those tangy, sweet, and savory notes. Taste and adjust seasoning if needed, then get ready to serve your Keto Sweet and Sour Turnips hot, garnished with fresh parsley if you like.
How to Serve Keto Sweet and Sour Turnips

Garnishes
A sprinkle of chopped fresh parsley adds a pop of color and freshness to your Keto Sweet and Sour Turnips. For a little extra flair, try a light dusting of smoked paprika or a few thinly sliced green onions. The garnish not only makes the dish look inviting but also adds subtle layers of flavor that play off the sweet and tangy sauce.
Side Dishes
Keto Sweet and Sour Turnips are incredibly versatile — they pair well with just about any main course. Serve them alongside grilled chicken, roasted salmon, or even a juicy steak. For a more casual meal, try them with bunless burgers or as part of a low-carb veggie platter. Their bold flavor also stands up beautifully next to creamy mashed cauliflower or sautéed leafy greens.
Creative Ways to Present
For special occasions, consider serving Keto Sweet and Sour Turnips in individual ramekins or small cast-iron skillets for a rustic touch. If you’re bringing them to a potluck, pile them high in a colorful serving bowl and finish with extra herbs on top. They also make a fun addition to a tapas-style spread, nestled among other keto appetizers and nibbles.
Make Ahead and Storage
Storing Leftovers
Leftover Keto Sweet and Sour Turnips keep beautifully in the fridge. Simply transfer them to an airtight container once cooled, and they’ll stay fresh and flavorful for up to 3 days. The flavors often deepen overnight, making them a delicious addition to your lunch the next day.
Freezing
If you’d like to freeze your Keto Sweet and Sour Turnips, allow them to cool completely before portioning them into freezer-safe containers or bags. They can be frozen for up to one month. Just be aware that the texture of the turnips may become a little softer after thawing, but the flavors will still shine through.
Reheating
To reheat, place the turnips in a skillet over medium-low heat and stir gently until warmed through. You can also microwave them in 30-second bursts, stirring in between. If the sauce seems too thick after chilling, add a splash of water or broth to loosen it up as you reheat.
FAQs
Can I use another sweetener instead of erythritol or monk fruit?
Absolutely! Any keto-friendly granular sweetener should work here. Just keep in mind that sweetness levels can vary, so start with a small amount and adjust to taste if you’re using something new.
Do I have to peel the turnips?
While you can leave the skins on for a more rustic texture, peeling the turnips helps ensure they roast up tender and removes any bitterness the skin might impart. For the smoothest results, I recommend peeling.
Is xanthan gum necessary?
No worries if you don’t have xanthan gum on hand! It’s totally optional and just helps thicken the sauce. The dish is still delicious and satisfying without it — the sauce will just be a bit lighter.
Can I add other vegetables to this recipe?
Definitely! Diced bell peppers, zucchini, or even a handful of bacon bits make wonderful additions to Keto Sweet and Sour Turnips. Just adjust roasting times as needed for any extra veggies you add.
Are Keto Sweet and Sour Turnips vegetarian?
Yes, this recipe is naturally vegetarian as written. If you want to make it vegan, simply swap the butter for more olive oil or a plant-based butter substitute.
Final Thoughts
If you’re ready for a side dish that’s bursting with flavor and fits right into your keto lifestyle, you have to give Keto Sweet and Sour Turnips a try. They’re easy, satisfying, and always a hit with friends and family — even those who aren’t following a low-carb diet. Let this dish brighten up your table and add a little excitement to your veggie routine!
Print
Keto Sweet and Sour Turnips Recipe
- Prep Time: 10 minutes
- Cook Time: 35 minutes
- Total Time: 45 minutes
- Yield: 4 servings
- Category: Side Dish
- Method: Roasting, Sautéing
- Cuisine: Low-Carb / American
- Diet: Vegetarian
Description
This Keto Sweet and Sour Turnips recipe offers a delicious low-carb side dish that combines tender roasted turnips with a tangy, slightly sweet sauce. Perfectly balanced with savory spices and a hint of apple cider vinegar, this dish is ideal for keto, gluten-free, and vegetarian diets.
Ingredients
Turnips
- 3 medium turnips, peeled and diced
- 2 tablespoons olive oil
- Salt and pepper to taste
Sauce
- 1 tablespoon butter
- 1/4 cup chopped onion
- 1 tablespoon apple cider vinegar
- 2 teaspoons granular erythritol or monk fruit sweetener
- 1/2 teaspoon garlic powder
- 1/4 teaspoon smoked paprika
- 1/4 teaspoon xanthan gum (optional, for thickening)
Garnish
- Chopped parsley (optional)
Instructions
- Preheat and Roast Turnips: Preheat the oven to 400°F (200°C). Toss the diced turnips with olive oil, salt, and pepper. Spread them evenly on a baking sheet and roast for 25 to 30 minutes, flipping halfway through, until the turnips are golden and tender.
- Prepare Sweet and Sour Sauce: While the turnips roast, melt butter in a skillet over medium heat. Sauté the chopped onion for 3 to 4 minutes until soft and translucent. Stir in apple cider vinegar, erythritol or monk fruit sweetener, garlic powder, smoked paprika, and a pinch of salt. Let the mixture simmer for 2 to 3 minutes. For a thicker sauce, whisk in xanthan gum and cook for an additional minute.
- Combine and Finish: Add the roasted turnips to the skillet and toss them to coat evenly with the sauce. Cook together for another 2 minutes to warm through. Garnish with chopped parsley if desired and serve hot.
Notes
- For deeper flavor, roast turnips until lightly caramelized.
- Add diced bell peppers or bacon to the sauté for variety.
- Store leftovers in an airtight container in the refrigerator for up to 3 days.
Nutrition
- Serving Size: 1/2 cup
- Calories: 110
- Sugar: 3 g
- Sodium: 130 mg
- Fat: 8 g
- Saturated Fat: 3 g
- Unsaturated Fat: 5 g
- Trans Fat: 0 g
- Carbohydrates: 7 g
- Fiber: 2 g
- Protein: 1 g
- Cholesterol: 10 mg