Mushroom Walnut Lentil Lasagna

A fiber-rich, plant-powered lasagna to support gut balance.

Plant Based High Fiber Fiber Rich

Recipe description

Designed as a comforting, plant-forward dish, Mushroom Walnut Lentil Lasagna blends earthy mushrooms, hearty lentils, and crunchy walnuts into a satisfying bake. The fiber from legumes and nuts adds to daily variety, while polyphenols from mushrooms nourish a diverse gut microbiome-friendly profile. The layered, plant-based approach supports balanced eating habits and is gentle on digestion when enjoyed as part of a varied diet.

Published on: June 9, 2026
Mushroom Walnut Lentil Lasagna
Prep 25 min Cook 40 min Medium
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Ingredients

Mushroom
8 piece
Mushroom
Nut, walnut
6 tablespoon
Nut, walnut
Lentils
24 tablespoon
Lentils
Lasagna
12 tablespoon
Lasagna

Instructions

1

Preheat the oven to 180°C (350°F).

2

In a skillet, heat olive oil over medium heat and sauté chopped onion and minced garlic until softened.

3

Add chopped mushrooms and cook until they release moisture and reduce in size.

4

Stir in lentils, tomato sauce, salt, black pepper, and oregano, and simmer for about 10 minutes.

5

In a baking dish, layer lasagna sheets, lentil and mushroom mixture, and spinach, repeating layers until all ingredients are used.

6

Cover with aluminum foil and bake for 30 minutes, then remove foil and bake for an additional 15 minutes.

7

Let the lasagna sit for 10 minutes before serving.

Nutrition

420 kcal Calories
20 g Protein
52 g Carbohydrates
14 g Fiber
9 g Sugar
14 g Fat
2 g Saturated fat
1.3 g Salt

Why this recipe fits you

  • Rich in fiber from legumes, nuts, and whole grains.
  • Includes colorful plant foods that support dietary diversity.
  • Balanced with plant protein, healthy fats, and slow-release carbohydrates.

Gut Health Score

🌿 Fiber diversity
85
🍇 Polyphenol density
80
🧬 Diversity support
75
🫧 Fermentation support
0

FAQ

Is this lasagna suitable for vegetarians/vegans?
Yes, it's vegetarian. For a vegan version, swap dairy ingredients for plant-based substitutes.
Is it gluten-free?
Not inherently gluten-free; use gluten-free lasagna noodles or substitute with vegetables.
What are the main protein and fiber sources?
Lentils and walnuts provide the main protein and fiber.
How many servings does this yield?
Typically 4–6 servings, depending on portion size.
How should I store leftovers?
Refrigerate within 2 hours; store 3–4 days in the fridge; freeze for longer; reheat until hot.
What allergens are present?
Contains walnuts and mushrooms; dairy or gluten may be present depending on ingredients; adjust if needed.
Is it gut-friendly?
The dish uses fiber-rich lentils and walnuts; mushrooms add polyphenols; introduce fiber gradually and drink water.
How long does it take to prepare and bake?
About 60–90 minutes total.
Can I customize with other vegetables?
Yes—spinach, zucchini, carrots, peppers, and other vegetables work well.

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