Creamy Garlic Parmesan Spaghetti Squash (Slow Cooker)

Dinner

March 8, 2026

Unlock the secret to the most tender, flavorful spaghetti squash you’ve ever had—your slow cooker! Forget wrestling with a hard squash and a hot oven. We’re letting the crockpot do all the heavy lifting, first by cooking the squash to perfection, then by transforming it into a rich, creamy, and utterly irresistible side dish. Laced with garlic, butter, and nutty Parmesan cheese, this recipe is pure comfort food. It’s the perfect low-carb alternative to pasta that will have everyone asking for seconds.

Ingredients

• 1 spaghetti squash, about 3 lbs / 1.4 kg
• 8 tablespoons / 113 g butter, cut into portions
• 1 large egg, lightly beaten
• ¼ cup / 60 ml heavy whipping cream
• 1 cup / 100 g shredded Parmesan cheese
• 3 cloves garlic, finely minced
• Salt and freshly ground black pepper, to taste

Instructions

1. Pierce the spaghetti squash all over with a sharp knife. Place the whole squash in a large slow cooker. Cover and cook on HIGH for 3-4 hours, or until fork-tender.
2. Carefully remove the hot squash and set it aside to cool slightly. Add the butter portions to the now-empty slow cooker, cover, and let it melt while the squash cools.
3. Once cool enough to handle, slice the squash in half lengthwise. Scoop out and discard the seeds. Use a fork to shred the squash flesh into long strands. Add the strands directly into the slow cooker with the melted butter and toss to coat.
4. In a separate small bowl, whisk the egg and heavy cream together. Pour this mixture over the squash. Stir in the shredded Parmesan, minced garlic, salt, and pepper until well combined. Cover and cook on HIGH for another 1.5 to 2.5 hours, until the mixture is heated through and softly set.

Nutritional Information

• PER SERVING: 310 CALORIES ★ FAT 25 G (73%) ★ NET CARBS 14 G (18%) ★ PROTEIN 8 G (10%)

Pro Tips

• If your cooked squash seems overly watery after shredding, gently squeeze out the excess moisture with a clean kitchen towel before adding it to the butter.
• For a golden, bubbly top, transfer the finished dish to an oven-safe baking dish and broil for 2-3 minutes just before serving.
• Brighten up the flavor by stirring in a tablespoon of fresh chopped parsley or chives at the very end.

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