Korean Beef with Cucumber

Category: Family Dinner Ideas

This Korean-inspired dish combines savory ground beef with a perfect balance of sesame, garlic, and mild heat. The meat is seasoned with a sugar-free sweet and spicy sauce that achieves authentic flavor without carbs. Paired with a refreshing cucumber salad that offers a crisp texture contrast and tangy notes from apple cider vinegar. Ready in under 30 minutes, this meal provides protein, healthy fats, and fresh vegetables in a satisfying low-carb format that's ideal for meal prep.

Fatiha
By Fatiha Fatiha
Last updated Mon, 11 Aug 2025 16:47:13 GMT
A bowl of spicy keto Korean ground beef with cucumber salad. Pin
A bowl of spicy keto Korean ground beef with cucumber salad. | zestplate.com

This spicy keto Korean ground beef bowl with crisp cucumber salad has become my weeknight salvation when cravings for takeout strike but I need to stay on track with my low-carb lifestyle. The combination of savory beef with cool, tangy cucumbers creates the perfect balance of flavors and textures without the carb overload.

I first made this dish during my third week of keto when I was desperately missing my favorite Korean restaurant. After one bite, my husband declared it better than takeout and now requests it weekly. The fact that it keeps me on track with my goals while satisfying my cravings makes it a true winner in our household.

  • Ground beef forms the hearty base and provides plenty of satiating protein and fat
  • Garlic adds essential aromatic flavor that enhances the Korean profile
  • Sesame oil delivers authentic Asian flavor and healthy fats
  • Soy sauce or coconut aminos provides that umami richness essential to Asian cuisine
  • Sugar free sweetener balances the savory elements without adding carbs
  • Rice vinegar adds brightness and tang without overwhelming the dish
  • Red pepper flakes bring customizable heat that wakes up your taste buds
  • Ground ginger adds warmth and digestive benefits
  • Green onions provide fresh flavor and beautiful color contrast
  • Sesame seeds add pleasant texture and a nutty finish
  • Cucumbers create a refreshing counterpoint to the spicy beef
  • Red onion brings sharp flavor and vibrant color to the cucumber salad
  • Apple cider vinegar adds probiotic benefits and tangy flavor

How To Make Spicy Keto Korean Ground Beef

Prepare the cucumber salad
Begin by slicing the cucumbers as thinly as possible for the best texture. Combine with the delicate red onion slices in a medium bowl. The vinegar and sweetener create the perfect sweet-tart marinade that will continue developing flavor while you prepare the beef. Let this mixture rest at room temperature so the flavors can meld properly.
Brown the ground beef
Heat your largest skillet over medium-high heat until it just begins to smoke. Add the ground beef and immediately begin breaking it apart with a wooden spatula. The key is creating small crumbles that will absorb the sauce effectively. Cook until no pink remains, about 7 minutes, stirring frequently. If your beef releases excessive fat, drain it but leave about a tablespoon for flavor.
Add aromatics and seasonings
Reduce your heat to medium to prevent burning the garlic. Add minced garlic and drizzle in the sesame oil, stirring constantly for 90 seconds until the garlic becomes fragrant but not browned. This step builds the aromatic foundation of the dish. Pour in the soy sauce mixture and watch as it sizzles and begins to reduce almost immediately. Allow it to simmer for exactly 2-3 minutes until the sauce thickens slightly and coats each morsel of beef.
Finish the beef
Remove from heat when the sauce has thickened to prevent overcooking. Sprinkle half the green onions and sesame seeds over the hot beef, folding them in gently. The residual heat will release their flavors without making them soggy. The beef should glisten with sauce but not appear soupy.
Serve with style
Plate the beef in shallow bowls with the cucumber salad alongside rather than on top to maintain the salad's crispness. Garnish with the remaining green onions and sesame seeds just before serving for the freshest appearance and flavor. The contrast between the hot beef and cool cucumber salad creates a temperature experience that elevates the dish.

The red pepper flakes are my secret obsession in this recipe. During my travels through South Korea, I discovered their unique approach to spice that builds gradually rather than hitting you all at once. I always keep premium Korean gochugaru in my pantry specifically for this dish, though regular red pepper flakes work beautifully too. My daughter, who typically avoids spicy food, asks for extra flakes when I make this beef bowl.

Perfect Pairings

While this dish stands beautifully on its own, you can elevate it further with complementary sides. For non-keto family members, serve with steamed rice. For those following keto, cauliflower rice stir-fried with a touch of sesame oil makes a perfect base. The neutral flavor allows the seasoned beef to shine while adding volume to your meal. Alternatively, butter lettuce leaves create instant wraps for a hands-on dining experience that children particularly enjoy.

Storage and Meal Prep

This dish excels as a meal prep option. Store the beef and cucumber salad separately in airtight containers for up to three days. The beef reheats beautifully in the microwave for 60-90 seconds, while the cucumber salad maintains its crunch throughout the storage period. For the freshest experience, reserve some green onions and sesame seeds to garnish just before eating your prepared meal. The flavors actually develop and improve after a day in the refrigerator, making second-day leftovers something to look forward to.

A bowl of meat and vegetables.
A bowl of meat and vegetables. | zestplate.com

Customization Options

The beauty of this recipe lies in its flexibility. For a leaner option, substitute ground turkey or chicken, though you may need to add a teaspoon of olive oil to compensate for the reduced fat content. Vegetarians can use crumbled firm tofu or tempeh with excellent results. The sauce penetrates these alternatives beautifully, creating a satisfying meatless version. For those who enjoy more vegetables, adding finely diced bell peppers or zucchini to the beef during cooking incorporates additional nutrients without significantly increasing the carb count. The cucumber salad can be customized with thinly sliced radishes or a sprinkle of fresh cilantro for variation.

A bowl of spicy keto Korean ground beef with cucumber salad.
A bowl of spicy keto Korean ground beef with cucumber salad. | zestplate.com

Recipe FAQs

→ How can I adjust the spice level in this dish?

The spice level is easy to customize by adjusting the amount of crushed red pepper flakes. Start with less than the recipe calls for if you prefer mild heat, or add more for an extra kick. You can also incorporate gochujang paste (in small amounts to maintain keto macros) for more authentic Korean heat and flavor.

→ Is this dish truly keto-friendly?

Yes, this dish is designed to be keto-compliant with approximately 5g net carbs per serving. The traditional sugar is replaced with erythritol or monk fruit sweetener, and the cucumber salad provides freshness without adding significant carbs. Using coconut aminos instead of soy sauce can further reduce the carb count.

→ What can I serve with this Korean beef?

While the cucumber salad makes a complete meal with the beef, you can also serve it with cauliflower rice for a more substantial dish. Other keto-friendly sides include kimchi (check labels for added sugar), steamed bok choy, or a simple green salad with sesame dressing.

→ Can I make this dish ahead of time?

This Korean beef is excellent for meal prep and can be stored in the refrigerator for up to 3 days. For best results, store the cucumber salad separately from the beef to maintain its crispness. When reheating the beef, add a splash of water or broth to prevent it from drying out.

→ What protein alternatives work with these flavors?

The Korean-inspired sauce works well with various proteins. Try ground turkey or chicken for a lighter option, or use thinly sliced beef (like ribeye or sirloin) for a bulgogi-style dish. For a vegetarian version, firm tofu or tempeh can absorb the flavors nicely, though macros will differ.

→ How can I make the cucumber salad less watery?

To prevent excess water in your cucumber salad, try salting the sliced cucumbers and letting them sit in a colander for 20-30 minutes before preparing the salad. Rinse and pat them dry, then proceed with the recipe. This draws out moisture and helps maintain a crisp texture even after marinating.

Spicy Keto Korean Beef

Savory ground beef with Korean flavors alongside a refreshing cucumber salad, ideal for quick keto-friendly dinners.

Preparation Time
15 min
Cooking Time
15 min
Total Duration
30 min
By Fatiha: Fatiha

Category: Main Dishes

Skill Level: Easy

Cuisine: Korean

Output: 4 Servings (4 servings)

Dietary Preferences: Low-Carb, Dairy-Free

Ingredients

→ For the Korean Ground Beef

01 450g ground beef
02 2 cloves garlic, minced
03 1 tablespoon sesame oil
04 ¼ cup soy sauce or coconut aminos
05 2 tablespoons sugar-free sweetener (erythritol or monk fruit)
06 1 tablespoon rice vinegar
07 ½ teaspoon crushed red pepper flakes
08 ¼ teaspoon ground ginger
09 3 green onions, sliced
10 1 tablespoon sesame seeds

→ For the Cucumber Salad

11 2 medium cucumbers (approx. 470g), thinly sliced
12 ¼ red onion, thinly sliced
13 1 tablespoon apple cider vinegar
14 1 tablespoon sugar-free sweetener (erythritol or monk fruit)
15 ½ teaspoon salt
16 ¼ teaspoon black pepper
17 1 teaspoon sesame seeds for garnish (optional)

Directions

Step 01

In a medium bowl, combine the sliced cucumbers and red onion. Sprinkle with apple cider vinegar, sugar-free sweetener, salt, and pepper. Toss until the cucumbers are well coated. Set aside to marinate while you cook the beef.

Step 02

In a large skillet over medium-high heat, add the ground beef, breaking it apart with a spatula as it cooks. Cook until the beef is browned and no longer pink, about 5-7 minutes. Drain excess fat if necessary.

Step 03

Lower the heat to medium. Add minced garlic and sesame oil to the skillet with the beef and sauté for 1-2 minutes until fragrant. Stir in the soy sauce, sugar-free sweetener, rice vinegar, red pepper flakes, and ground ginger. Cook for an additional 2-3 minutes, allowing the flavors to meld.

Step 04

Remove the skillet from heat. Stir in half of the sliced green onions and half of the sesame seeds.

Step 05

Divide the spicy Korean ground beef among plates and top with the remaining green onions and sesame seeds. Serve with the cucumber salad on the side, garnished with additional sesame seeds if desired.

Notes

  1. For a spicier kick, increase the amount of red pepper flakes as desired.
  2. Ensure the soy sauce is gluten-free if you are strictly gluten-free or use coconut aminos as an alternative.
  3. If you prefer a less sweet cucumber salad, adjust the amount of sugar-free sweetener to taste.
  4. This dish can be stored in an airtight container in the refrigerator for up to 3 days, making it a great option for meal prep.

Required Equipment

  • Large skillet
  • Medium bowl
  • Cutting board
  • Chef's knife
  • Measuring spoons and cups
  • Spatula

Allergen Information

Review each component for possible allergens and consult a health professional when concerned.
  • Soy (if using soy sauce)
  • Sesame

Nutritional Information (per serving)

These figures serve as estimates and are not a substitute for medical advice.
  • Calories: 325
  • Fat: 24 g
  • Carbohydrates: 5.2 g
  • Protein: 22 g