In a large skillet or Dutch oven over medium heat, add chopped bacon and cook for 5-7 minutes, until crispy and the bacon fat begins to render. Add yellow onion and green bell pepper and continue to cook for 5 minutes, until softened. 4 slices Bacon1 Yellow Onion1 Green Bell Pepper
Add ground Italian sausage and ground beef and use the bottom of a spatula or wooden spoon to break up the ground beef. Cook until no longer pink, about 7-8 minutes, then add Italian seasoning, garlic powder, onion powder, red pepper flakes, kosher salt, black pepper, and diced garlic. Stir together and cook for 2-3 minutes, mixing constantly, until fragrant. 1 lb Ground Mild Italian Sausage1 lb Ground Beef1 tbsp Italian seasoning2 tsp Garlic Powder2 tsp Onion Powder1/2 tsp Red Pepper Flakes2 tsp Kosher Salt1 tsp Black Pepper6 cloves Garlic
Add tomato paste and balsamic vinegar. Cook for 3 minutes, until the tomato paste coats all of the meat and veggies. Pour tomato sauce, marinara, and beef broth into a slow cooker and mix together. Add the meat mixture and stir to mix. Cook on low for 8 hours. 6 oz Tomato Paste2 tbsp Balsamic Vinegar15 oz Tomato Sauce24 oz Marinara4 cups Beef Broth
At the 7 hour mark, break lasagna noodles in half and add the broken up pieces into the slow cooker. Cook for 30-40 minutes, until the noodles are tender. If the noodles are still toothsome, continue to cook for an additional 10-20 minutes, then add mozzarella, parmesan, and heavy cream and stir together. 10 Lasagna noodles1/2 cup Mozzarella½ cup Parmesan3/4 cup Heavy Cream
Before serving, mix together ricotta, parmesan, mozzarella, fresh basil, garlic powder, Italian seasoning, and kosher salt and black pepper, to taste. 15 oz Whole Milk Ricotta1/2 cup Parmesan1 cup Mozarella3 tbsp Fresh Basil½ tsp Garlic Powder1 tsp Italian seasoning
Add lasagna soup to a bowl and dollop the ricotta mixture on top.
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Notes
Brown the meat before adding it to the slow cooker. I know it's tempting to skip this step, but it makes a big difference! Browning the meat creates deeper, more savory flavors. The slow cooker is great for bringing flavors together, but it doesn't develop that same browned flavor on its own.
Add the noodles toward the end. This is important! Pasta absorbs liquid as it cooks, and leaving it in the slow cooker for hours can cause it to become mushy. Adding it during the final 30–40 minutes helps the noodles stay tender without falling apart. Make sure the soup is hot enough to cook them, and adjust the time as needed.
Save the cream and cheese for last. Heavy cream, mozzarella, and Parmesan are best added after the noodles have cooked. Adding them earlier can make the broth greasy or cause the cheese to separate during the long cooking process.