This Zucchini Lasagna is an easy low carb keto lasagna using zucchini noodles in place of traditional wheat pasta. Gluten free & made in one pot in 30 minutes and is perfect for busy weeknights.
Spiralize zucchini using the ribbon blade or a vegetable peeler; set aside. Pat dry with a paper towel. (This step can be done up to 3 days in advance. Simply store zoodles in an airtight container with a paper towel to help absorb excess moisture.)
Heat oil in a large skillet over medium-high heat, add in the ground protein and cook until browned, about 3-4 minutes, making sure to crumble and break down into small pieces as it cooks; drain any excess fat.
Add the garlic and saute for 30 seconds to a minute or until fragrant. Add mushrooms and optional chopped zucchini, if using and saute for 4 minutes. Season with salt and pepper to taste.
Add tomato paste, diced tomatoes, tomato sauce, oregano, red pepper flakes and 1 tablespoon of basil. Bring to a boil and reduce heat allowing to simmer. *Stir constantly until sauce begins to thicken (about 5 minutes).
Add the ribboned zucchini noodles and cover with lid.
After 1-2 minutes, remove the cover, swirl the zucchini around using tongs to avoid sticking to the pan. Continue cooking until zucchini is tender (another 2-4 minutes). If adding spinach, stir in after 3 minutes and cover again until spinach just wilted. **Remove pan from heat and stir in mozzarella and ricotta (or cottage cheese). Taste and adjust seasonings as needed.
Top with more dollops of ricotta cheese, if desired. Cover the pan and allow to sit for 2-3 minutes or until the cheese has melted.
Remove pan from stove and sprinkle with chopped parsley, basil, and grated parmesan cheese, if desired. Serve and enjoy.
*Add water as needed if the sauce is evaporating.
**If zucchini is letting out too much water, mix 2 teaspoons cornstarch with 2 teaspoon of cold water in a small cup. Add to the pan before adding the ricotta/cottage cheese. Bring to a boil to allow sauce to thicken up. Add ricotta/cottage cheese as directed above.