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Mushroom, Walnut & Spinach Lasagna

Mushroom, Walnut & Spinach Vegetarian Lasagne with Octonuts Walnut Protein Powder

Meet the meatless lasagne in disguise. 🦸🏻‍♀️ Our 1-ingredient Walnut Protein Powder brings rich flavor, dense protein, and vital NUTrition that makes it a perfect vegetarian alternative—without all the weird ingredients found in many meat substitutes.  

Mushroom, Walnut, and Spinach Lasagne


1/4 cup oil or butter
2 cloves of garlic
1/2 onion⁣
3 cups chopped mushrooms
Salt (to taste)
1 tsp black pepper
1/2 cup Octonuts California Walnut Protein Powder
4 cups chopped spinach
2 cups marinara sauce⁣
2 cups shredded mozarella cheese
1/2 cup fresh parmesan cheese
Lasagna sheets (with our without gluten)


Make the mushroom walnut filling. Sauté onion, garlic and mushrooms in olive oil for 3 minutes. Add the Walnut Protein Powder, mix until combined and remove from the heat.

Cover the bottom of the lasagna pan with Marinara sauce and assemble ready-to-bake lasagna sheets with fresh spinach, mushroom walnut filling, cheese and marinara sauce. ⁣

Bake at 370F for 25 minutes.

Mushroom, Walnut and Spinach Veggie Lasagne

Recipe development and photography thanks to Registered Dietician Nutritionist Annie Siegfried. Follow her on Instagram at @annie_siegfried.