Quick Keto Spaghetti with Meatballs (Zucchini Noodles)

Ellie Williams
6 Min Read

Keto Spaghetti with Meatballs (Zoodles) – The Ultimate Low-Carb Italian Comfort

Craving spaghetti and meatballs but trying to stick to your keto lifestyle? I get it – nothing hits quite like a steaming bowl of pasta twirled around juicy meatballs.

TITLE: Quick Keto Spaghetti with Meatballs (Zucchini Noodles)

One-pot comfort food that won’t kick you out of ketosis

KEY INFO

  • Prep time: 15 minutes
  • Cook time: 20 minutes
  • Total time: 35 minutes
  • Servings: 4
  • Difficulty level: Easy
  • Dietary tags: Keto, Low-Carb, Gluten-Free, Can be Dairy-Free

Nutritional highlights per serving:

  • Net carbs: 6-8g
  • Protein: 28g
  • Calories: ~340
  • Fat: 22g

EQUIPMENT NEEDED

Essential tools:
  • Spiralizer or julienne peeler
  • Large mixing bowl
  • Non-stick skillet
  • Tongs or spatula
  • Baking sheet (optional)
Simple alternatives:
  • No spiralizer? Hand-cut zucchini into thin strips with a sharp knife
  • Buy pre-spiralized zoodles from the store (saves 10 minutes)
  • Use a vegetable peeler for ribbon-style “noodles”

INGREDIENTS

For the zoodles:
  • 4-5 medium zucchini (1.5 lbs / 680g), spiralized
  • 2 tbsp olive oil (30ml)
  • 2 cloves garlic, minced
  • Salt and pepper to taste
  • 1 tbsp fresh lemon juice (15ml)
For the meatballs:
  • 1 lb ground beef, 80/20 (450g) [or mix beef/pork for extra flavor]
  • 1 large egg [flax egg for egg-free: 1 tbsp ground flaxseed + 3 tbsp water]
  • 1/3 cup almond flour (40g) [pork rind crumbs work too]
  • 1/2 cup grated parmesan (50g) [nutritional yeast for dairy-free]
  • 1/4 cup fresh parsley, chopped (10g)
  • 3 cloves garlic, minced
  • 1 tsp Italian seasoning
  • 1/2 tsp onion powder
  • 1 tsp salt
  • 1/2 tsp black pepper
  • Pinch of red pepper flakes (optional)
For serving:
  • Extra parmesan cheese
  • Fresh basil leaves
  • Sugar-free marinara sauce (optional)

METHOD

  1. Prep your zoodles first – this is crucial! Spiralize zucchini and lay on paper towels. Sprinkle lightly with salt. Let sit for 10 minutes while you prep meatballs.
  2. Mix the meatball mixture gently – don’t overwork it! Combine all meatball ingredients in a large bowl. Use your hands to mix just until combined. Critical tip: Stop as soon as ingredients are mixed – overmixing = tough meatballs.
  3. Form uniform meatballs Roll into 16 golf ball-sized portions (about 1.5 inches each). Use a cookie scoop if you have one – keeps your hands clean and sizes even.
  4. Brown those beauties Heat 1 tbsp olive oil in large skillet over medium-high heat. Add meatballs, don’t crowd them. Brown on all sides, about 8-10 minutes total. Internal temperature should reach 160°F (71°C).
  5. Pat zoodles completely dry This step separates soggy disasters from restaurant-quality zoodles. Use paper towels or clean kitchen towel to squeeze out moisture.
  6. Quick-sauté the zoodles In same pan (after removing meatballs), add remaining olive oil. Add garlic, cook 30 seconds until fragrant. Add zoodles, toss for just 2-3 minutes. Visual cue: They should be bright green and slightly tender, not limp.
  7. Bring it all together Return meatballs to pan with zoodles. Add lemon juice and toss gently. Remove from heat immediately.

CRUCIAL TIPS

  • Don’t skip the zoodle salting step – it draws out excess water that would make your dish watery
  • Keep zoodle cooking time under 3 minutes – they continue cooking from residual heat
  • Make meatballs uniform size – ensures even cooking
  • Let meatballs rest 2-3 minutes after cooking – juices redistribute for maximum flavor
  • Serve immediately – zoodles get soggy if they sit

STORAGE & SCALING

Storage:
  • Store components separately in fridge up to 4 days
  • Reheat meatballs gently in microwave or pan
  • Zoodles are best fresh, but can be reheated quickly in hot pan
Scaling up:
  • Recipe doubles easily for meal prep
  • Maintain ratio: 1 medium zucchini per person
  • Batch cook meatballs in multiple pans or use oven at 400°F for 12-15 minutes
Common mistakes to avoid:
  • Overcooking zoodles (mushy texture)
  • Not removing zoodle moisture (watery dish)
  • Using high-sugar marinara sauce (kicks you out of ketosis)
  • Making meatballs too large (uneven cooking)

VARIATIONS TO TRY

Sauce switches:
  • Creamy garlic butter sauce
  • Sugar-free pesto
  • Alfredo sauce
  • Simple olive oil and herbs
Protein swaps:
  • Ground turkey or chicken meatballs
  • Italian sausage (remove from casings)
  • Plant-based meat for vegetarian version
Noodle alternatives:
  • Shirataki noodles for even lower carbs
  • Spaghetti squash strands
  • Cabbage noodles
Flavor boosters:
  • Sun-dried tomatoes
  • Kalamata olives
  • Fresh mozzarella chunks
  • Toasted pine nuts

I’ve been making this recipe for three years now, and it’s saved my sanity on busy weeknights. My kids actually prefer these zucchini noodles to regular pasta – and they have no idea they’re eating vegetables!

The secret is in the timing. Get everything prepped first, then it’s just a quick 5-minute assembly in the pan. You’ll have dinner on the table faster than you could boil traditional pasta.

Pro tip from my kitchen to yours: Make extra meatballs and freeze them. They reheat beautifully and you’ll have a head start on next week’s dinner.

This isn’t just another zoodle recipe – it’s your new weeknight hero that happens to keep you in ketosis. Your taste buds won’t miss the carbs, I promise.

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Hello, my name is Ellie Williams and I am a food blogger. I have always had a love for cooking and trying new recipes, and I love sharing my creations with others through my blog.