Quick Description
This Keto Spaghetti Squash Lasagna is a low-carb, comforting twist on classic lasagna. Tender spaghetti squash replaces pasta layers, while savory ground beef, rich marinara, and creamy cheese layers deliver all the flavor without the carbs. It’s hearty, satisfying, and perfect for keto or low-carb lifestyles.
Servings & Timing
- Serves: 4–6
- Prep Time: 15 minutes
- Cook Time: 45–50 minutes
- Total Time: ~1 hour
Ingredients List
Spaghetti Squash Layer
- 1 medium spaghetti squash
- 4 tsp olive oil, divided
- Sea salt, to taste
Meat Layer
- 1 tbsp olive oil, divided
- 2 cloves garlic, minced
- ½ lb ground beef
- ½ tsp sea salt
- ⅛ tsp black pepper
- ½ cup marinara sauce (low-carb)
- 1 tsp Italian seasoning
Cheese Layers
- ⅔ cup ricotta cheese (whole milk or 2%)
- ⅓ cup grated Parmesan cheese
- 1 tbsp olive oil
- Sea salt, to taste
- ⅔ cup shredded mozzarella cheese, divided
Instructions
1. Prepare the Spaghetti Squash
- Preheat oven to 400°F (200°C).
- Cut the spaghetti squash lengthwise and remove seeds.
- Drizzle cut sides with 2 tsp olive oil and sprinkle with sea salt.
- Place cut-side down on a baking sheet and roast for 35–40 minutes, until tender.
- Let cool slightly, then scrape into strands with a fork. Toss with remaining 2 tsp olive oil and a pinch of salt.
2. Cook the Meat Sauce
- Heat 1 tbsp olive oil in a skillet over medium heat.
- Add garlic and cook for 30 seconds until fragrant.
- Add ground beef, salt, and pepper. Cook until browned.
- Stir in marinara sauce and Italian seasoning. Simmer for 5 minutes. Remove from heat.
3. Mix the Ricotta Layer
- In a bowl, combine ricotta cheese, Parmesan cheese, olive oil, and a pinch of sea salt. Mix until smooth.
4. Assemble the Lasagna
- Grease a baking dish lightly.
- Layer ½ of the spaghetti squash on the bottom.
- Add ½ of the meat sauce, then dollop ½ of the ricotta mixture.
- Sprinkle with ⅓ cup mozzarella.
- Repeat layers with remaining squash, meat sauce, ricotta, and mozzarella.
5. Bake
- Bake uncovered at 375°F (190°C) for 20–25 minutes, until bubbly and lightly golden.
- Let rest for 10 minutes before slicing.
Nutrition (per serving)
(Approximate values)
- Calories: ~380
- Protein: ~28g
- Carbs: ~10g net
- Fat: ~26g
- Fiber: ~3g
Benefits
- Keto & Low-Carb: Spaghetti squash replaces traditional pasta.
- High-Protein: Ground beef and cheese keep you full longer.
- Comfort Food Approved: All the lasagna flavor without carb overload.
- Family-Friendly: Even non-keto eaters love it.
Additional Notes
- Use low-carb marinara to keep carbs minimal.
- Let the squash cool slightly before layering to avoid excess moisture.
- Resting time helps the lasagna set and slice cleanly.
Dietary Info
- Keto-Friendly: Yes
- Low-Carb: Yes
- Gluten-Free: Yes
- High-Protein: Yes
Brief Introduction
This Keto Spaghetti Squash Lasagna is proof that comfort food doesn’t have to break your carb budget. With layers of savory meat sauce, creamy ricotta, and melty mozzarella, it delivers all the cozy lasagna vibes in a keto-friendly way.
Step-by-Step Cooking Guide
- Roast the spaghetti squash and shred into strands
- Brown beef and simmer with marinara and seasoning
- Mix ricotta cheese layer
- Layer squash, meat, ricotta, and mozzarella
- Bake until bubbly and golden
Ingredient Details & Substitutions
- Spaghetti Squash: Naturally low-carb and perfect for noodle replacement
- Ground Beef: Can be swapped with ground turkey or chicken
- Ricotta Cheese: Cottage cheese works for higher protein
- Mozzarella: Use full-fat for best keto results
Recipe Variations & Serving Suggestions
- Extra Cheesy: Add more mozzarella on top
- Spicy Version: Add red pepper flakes to the meat sauce
- Veggie Boost: Add spinach or zucchini to the layers
- Serve With: Simple side salad or roasted veggies
Storage & Make-Ahead
- Refrigerate: Store leftovers in an airtight container for up to 4 days
- Freeze: Freeze portions for up to 2 months
- Reheat: Oven or microwave until heated through
FAQs
Can I make this ahead of time?
Yes, assemble and refrigerate up to 24 hours before baking.
Is spaghetti squash keto?
Yes, in moderation—it’s much lower in carbs than pasta.
Can I skip ricotta?
Yes, substitute with cottage cheese or cream cheese if preferred.
Optional Personal Story
This recipe became a staple when I wanted classic comfort food without falling off keto. It’s one of those meals that feels indulgent but keeps you completely on track.
Call-to-Action
Try this Keto Spaghetti Squash Lasagna for your next cozy dinner night. It’s rich, satisfying, and proof that low-carb comfort food can still be amazing. Save it, make it, and let me know how you like it!
