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.

And on days when I’m already making hearty, comforting dishes like Chicken Broccoli Bake, I’m reminded how these simple, warm recipes can instantly make dinner feel complete.

It’s also the same kind of satisfaction I get from making something rich and savory like Black Pepper Chicken with Mushrooms, that mix of deep flavor and easy prep that just fits perfectly into busy weeknights.

Keto lasagna soup belongs right in that category too: satisfying, simple, and comforting without needing anything complicated.

Behind the Recipe

This soup comes from evenings when everyone wanted something hearty but no one wanted the work of a full lasagna. Standing by the stove, stirring occasionally, the flavors slowly deepen without much effort. The ricotta on top always feels like the best part. It gives you that classic lasagna feel without turning dinner into a project.

Recipe Origin or Trivia

Lasagna-inspired soups became popular as a way to enjoy familiar Italian flavors in a simpler format. Low-carb versions like this one remove the pasta but keep the richness.

The combination of sausage, tomato, and cheese mirrors traditional lasagna flavors. It’s comfort food adapted for modern kitchens.

Why I Love This Recipe (And You Will Too)

• Lasagna-style flavor without the layers
• One-pot cooking keeps cleanup simple
• Naturally low-carb and keto-friendly
• Creamy, rich broth without heaviness
• Filling enough for a full meal

Chef’s Pro Tips for Perfect Results

• Brown the sausage well for deeper flavor
• Simmer gently to keep the soup smooth
• Add cream after simmering to avoid curdling
• Taste before adding extra salt

Kitchen Tools You’ll Need

1. Large Dutch oven or stockpot
2. Spatula
3. Ladle
4. Measuring spoons
5. Cutting board
6. Grater

Ingredients in This Recipe

1. Ground Italian sausage (1 lb): Savory base of the soup
2. Onion (1 medium, diced): Adds sweetness and depth
3. Garlic (2 cloves, minced): Aromatic foundation
4. Butter (2 tbsp): Softens aromatics and enriches flavor
5. Vegetable stock (4 cups): Light but flavorful broth
6. Marinara sauce (2½ cups): Classic lasagna taste
7. Heavy cream (½ cup): Creates a velvety texture
8. Ricotta cheese (½ cup, plus extra for garnish): Creamy lasagna-style topping
9. Parmesan cheese (½ cup, shredded): Salty, sharp finish
10. Fresh basil (¼ cup, chopped): Bright, fresh contrast
11. Sea salt and black pepper (to taste): Balances richness

Ingredient Substitutions

• Ground beef or turkey instead of sausage
• Chicken stock instead of vegetable stock
• Cottage cheese instead of ricotta
• Low-carb marinara to reduce sugars

Ingredient Spotlight

Italian Sausage
It provides most of the soup’s savory depth and replaces the need for multiple seasonings.

Ricotta Cheese
Ricotta mimics the layered creaminess of lasagna without adding heaviness.

Instructions for Making This Recipe

1. Heat butter in a large Dutch oven or stockpot over medium-low heat.
2. Add onion, garlic, and a pinch of salt and pepper, cooking until softened.
3. Increase heat to medium and add ground sausage.
4. Cook until browned, breaking it apart with a spatula.
5. Drain excess grease if needed.
6. Pour in vegetable stock and marinara sauce and bring to a boil.
7. Reduce heat and simmer for 30–45 minutes, stirring occasionally.
8. Taste and adjust salt and pepper.
9. Ladle into bowls and top with ricotta, Parmesan, and fresh basil.

Texture & Flavor Secrets

Slow simmering allows the marinara and sausage to blend deeply into the broth.
Ricotta added at serving keeps the soup creamy without thickening the base.

Cooking Tips & Tricks

• Stir occasionally to prevent sticking
• Keep heat moderate during simmering
• Grate cheese fresh for smoother melting

What to Avoid

• Boiling aggressively instead of simmering
• Adding cream too early
• Overseasoning before tasting
• Skipping the grease drain if sausage is very fatty

Nutrition Facts (Approximate, Per Serving)

• Calories: 220
• Protein: Moderate
• Carbohydrates: Low
• Fat: Moderate
• Fiber: Low
• Sodium: Moderate

Make-Ahead and Storage Tips

• Store leftovers covered in the refrigerator
• Reheat gently on the stovetop
• Stir before serving to recombine

How to Serve This Dish

• With extra ricotta on top
• Finished with fresh basil
• With a side salad
• With keto-friendly garlic bread
• Alongside roasted vegetables

Creative Leftover Transformations

• Reheat as a thicker stew-style bowl
• Add zucchini noodles when reheating
• Use as a sauce over cooked vegetables

Variations to Try

• Use hot Italian sausage for spice
• Add mushrooms for earthiness
• Stir in spinach at the end
• Increase marinara for stronger tomato flavor
• Add mozzarella for extra cheesiness

FAQ’s

1. Is this soup keto friendly? Yes, it’s low-carb as written.
2. Can I use ground beef? Yes, it works well.
3. Can I make it ahead? Yes, flavors improve overnight.
4. Can I freeze it? Best refrigerated, not frozen.
5. Is it spicy? Mild unless hot sausage is used.
6. Do I need noodles? No, it’s noodle-free.
7. Can I add vegetables? Optional low-carb vegetables work well.
8. How thick should it be? Brothy with creamy richness.
9. Can I double the recipe? Yes, use a larger pot.
10. What garnish works best? Ricotta, Parmesan, and basil.

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.