Keto Lasagna Soup Recipe

There’s something fun about making keto lasagna soup, it feels like you’re getting all the comfort of a classic lasagna without any of the effort that usually comes with it.

One pot, a few ingredients, and the kitchen starts to smell like you’ve been cooking all afternoon, even though everything comes together surprisingly fast. The sausage browns, the marinara warms up, and the cream turns the broth silky in a way that instantly feels cozy.

It’s the kind of recipe you make when you want something satisfying but easy, something that feels a little special without being complicated.

Why I Love This Recipe (And You Will Too)

• A Comforting, Lasagna-Like Flavor: Cheesy, creamy, tomato-rich, and deeply savory.
• A One-Pot Recipe: No layering, no baking, just simple, calm cooking.
• Naturally Low-Carb: All the richness of lasagna without the pasta.
• Smooth, Creamy Texture: Heavy cream and ricotta make the broth velvety.
• Perfect for Slow Evenings: A warm, hearty bowl that feels like a hug.

A Little Moment This Recipe Reminds Me Of

This soup always brings me back to evenings when everyone in the house wanted something warm and filling but no one wanted the effort of a full lasagna. We’d gather around the stove, tasting the broth every few minutes as it simmered, watching the flavors grow richer.

The ricotta melting on top felt like the best part of a lasagna, soft, creamy, indulgent, without the heavy layers. It’s the kind of meal that makes even an ordinary night feel a little more comforting.

Simple Ingredients That Make It Work

• Ground Italian Sausage (1 lb): The savory base that gives the soup its hearty flavor.
• Onion (1 medium, diced): Adds sweetness and depth as it cooks.
• Garlic (2 cloves, minced): A warm, aromatic note that ties everything together.
• Butter (2 tbsp): Helps soften the aromatics and enrich the broth.
• Vegetable Stock (4 cups): Keeps the soup light but flavorful.
• Marinara Sauce (2½ cups): Adds the classic lasagna taste.
• Heavy Cream (½ cup): Creates a smooth, velvety finish.
• Ricotta Cheese (½ cup + extra for garnish): Creamy pockets that mimic lasagna layers.
• Parmesan Cheese (½ cup, shredded): Adds sharpness and salty depth.
• Fresh Basil (¼ cup, chopped): Brightens the bowl with fresh herb flavor.
• Sea Salt & Black Pepper (to taste): Simple seasoning to balance the richness.

Easy Ingredient Swaps

• Ground Beef or Turkey: Works beautifully in place of sausage.
• Chicken Stock Instead of Vegetable: Adds more savory depth.
• Cottage Cheese Instead of Ricotta: Similar creaminess with extra protein.
• Low-Carb Marinara: Reduces sugars even more.
• Spinach or Zucchini: Stir in for extra texture and color.

Helpful Tips

• Cook the Sausage Well: Browning adds most of the flavor.
• Use Good Marinara: It’s the backbone of the soup.
• Add Cream Off Heat: Keeps it smooth and prevents curdling.
• Taste Before Adding Salt: Sausage and cheese add plenty.
• Simmer, Don’t Boil: Helps the soup stay silky.
• Use Fresh Basil Last: It wilts quickly.
• Ladle Into Warm Bowls: Helps hold the soup’s heat.

Easy Ways to Serve It

• With Extra Ricotta on Top: The ultimate creamy finish.
• Sprinkled With Fresh Basil: Adds brightness.
• With Garlic Butter Zucchini Noodles: A keto-friendly “lasagna” effect.
• With a Side Salad: Light and refreshing balance.
• With Keto Garlic Bread: Perfect for dipping.
• Topped With More Parmesan: For a deeper savory hit.
• With Roasted Vegetables: A warm, hearty pairing.
• As a Meal Prep Bowl: It reheats beautifully.
• With a Drizzle of Olive Oil: Adds richness without heaviness.
• Beside Grilled Chicken: For extra protein.

Variations You Can Try

• Zucchini “Noodle” Version: Add thin ribbons or spirals of zucchini toward the end of cooking for a noodle-like texture without the carbs.
• Spicy Italian Style: Stir in red pepper flakes or use hot Italian sausage for a deeper, warming kick.
• Mushroom Lover’s Twist: Add sautéed mushrooms for a more earthy, hearty flavor that complements the creamy broth.
• Cheese-Forward Bowl: Mix extra parmesan or mozzarella directly into the soup for a richer, meltier finish.
• Tomato-Heavy Variation: Add a little more marinara or a handful of crushed tomatoes if you prefer a stronger tomato base.
• Spinach or Kale Stir-In: Fold in fresh spinach or finely chopped kale during the last few minutes for added color and nutrients.

Keto lasagna soup has a way of making even an ordinary day feel a little cozier. It comes together easily, fills the kitchen with a comforting smell, and gives you all the flavors you love in one warm bowl.

There’s nothing complicated about it, just a mix of simple ingredients turning into something satisfying. I hope it brings the same kind of easy comfort to your table, whether you’re cooking for yourself or sharing it with someone who needs a warm meal.