How can I increase the protein?

Add a little more lentil or pair the recipe with a compatible high-protein side such as Greek yogurt, eggs, tofu, beans, or lean meat depending on the recipe style.

Can I make it lighter?

Use measured oil, lighter dairy or sauce options, and a larger vegetable portion while keeping the main protein amount steady.

What should I watch when swapping ingredients?

Keep moisture, salt, and cooking time in mind because high-protein swaps can dry out or firm up faster than the original ingredient.

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Vegan

Protein-Packed Vegan Lentil and Walnut Loaf with Tangy Tomato Glaze

Name: Protein-Packed Vegan Lentil and Walnut Loaf with Tangy Tomato Glaze
Prep time: 20 min
Cook time: 50 min
Total time: 70 min
Yield: 6 servings
Cuisine: American
Ingredients: 1 cup dried green or brown lentils; 2 1/2 cups water or low-sodium vegetable broth; 1 tablespoon olive oil; 1 medium yellow onion, finely chopped; 3 cloves garlic, minced; 1 1/2 cups walnuts, finely chopped; 1 cup rolled oats (use gluten-free if preferred); 2 tablespoons ground flaxseed; 6 tablespoons water (for flax egg); 1/4 cup nutritional yeast; 2 tablespoons soy sauce or tamari; 1 teaspoon smoked paprika; 1/2 teaspoon dried thyme; 1/2 teaspoon black pepper; 1/2 teaspoon salt; 1/2 cup tomato paste; 2 tablespoons maple syrup; 1 tablespoon apple cider vinegar; 1 teaspoon smoked paprika; 1/2 teaspoon garlic powder; Pinch of salt

By Powerproteinplates Editorial TeamPublished Apr 6, 2026 | Updated Jul 22, 2026

American 70 mins high-proteinveganplant-basedmeal-prep-friendlyeasy-recipesbalancedwhole-foodsmuscle-buildingbudget-friendlyheart-healthy

This wholesome vegan lentil and walnut loaf delivers high plant-based protein, healthy fats, and fiber, topped with a tangy tomato glaze. Perfect for muscle-building, heart-healthy diets, and convenient meal prep.

Protein-Packed Vegan Lentil and Walnut Loaf with Tangy Tomato Glaze

Prep 20 min

Cook 50 min

Total 70 min

Servings 6

Difficulty medium

Cuisine American

Ingredients

Servings 6

1 cup dried green or brown lentils
2 1/2 cups water or low-sodium vegetable broth
1 tablespoon olive oil
1 medium yellow onion, finely chopped
3 cloves garlic, minced
1 1/2 cups walnuts, finely chopped
1 cup rolled oats (use gluten-free if preferred)
2 tablespoons ground flaxseed
6 tablespoons water (for flax egg)
1/4 cup nutritional yeast
2 tablespoons soy sauce or tamari
1 teaspoon smoked paprika
1/2 teaspoon dried thyme
1/2 teaspoon black pepper
1/2 teaspoon salt
For the Tangy Tomato Glaze
1/2 cup tomato paste
2 tablespoons maple syrup
1 tablespoon apple cider vinegar
1 teaspoon smoked paprika
1/2 teaspoon garlic powder
Pinch of salt

Powerproteinplates Protein-Packed Vegan Lentil and Walnut Loaf with Tangy Tomato Glaze ingredients image

Instructions

Preheat oven to 350°F (175°C). Line an 8x4 inch loaf pan with parchment paper or lightly grease it.
Rinse lentils under cold water. In a medium saucepan, combine lentils and 2 1/2 cups water or vegetable broth. Bring to a boil, then reduce heat and simmer uncovered for 20-25 minutes until lentils are tender and most liquid is absorbed. Drain excess liquid and set aside to cool.
Prepare flax egg by mixing ground flaxseed with 6 tablespoons water in a small bowl. Let sit for 5-10 minutes until gel-like.
Heat olive oil in a skillet over medium heat. Sauté chopped onion for 5-7 minutes until soft and translucent. Add minced garlic and cook for 1-2 more minutes until fragrant. Remove from heat.
In a large bowl, combine cooked lentils, onion and garlic mixture, chopped walnuts, rolled oats, nutritional yeast, soy sauce, smoked paprika, thyme, salt, pepper, and flax egg. Mix well until the mixture is moist and holds shape when pressed. Add more oats if too wet or a splash of water if too dry.
Transfer mixture into the prepared loaf pan, pressing firmly to create an even surface.
Whisk together all tomato glaze ingredients in a small bowl until smooth. Spread evenly over the loaf's surface.
Bake for 45-50 minutes until the loaf is firm and the glaze is slightly caramelized.
Let cool in the pan for 10-15 minutes before lifting out with parchment paper. Slice into 6-8 pieces.
Serve warm or store in an airtight container in the refrigerator for up to 5 days. Reheat for a quick, protein-rich meal.
Optional: Pair with steamed greens, roasted vegetables, or a fresh salad for a complete, balanced meal.

Powerproteinplates Protein-Packed Vegan Lentil and Walnut Loaf with Tangy Tomato Glaze process and serving image

Tips

Protein Highlight

lentil gives this vegan recipe its main protein focus, while supporting ingredients add texture, fiber, or slow-burning carbohydrates. Keep the protein portion clear on the plate instead of letting sauces, toppings, or starches become the bulk of the meal.

Goal Fit

This recipe fits meal prep, active-week eating, and balanced family meals because it combines familiar ingredients with a fitness-friendly structure. Use it when you want a practical option that can support recovery, satiety, or steady energy without turning the meal into a supplement-style dish.

Protein Density

To keep the protein density strong, measure calorie-dense extras and add more lentil or a compatible high-protein side before increasing the starch or sauce. If you scale the recipe, preserve the ratio between the protein base and the vegetables, grains, or toppings.

Frequently Asked Questions

Can I meal prep Protein-Packed Vegan Lentil and Walnut Loaf with Tangy Tomato Glaze?: Yes. Portion it into airtight containers and keep toppings, sauces, or crunchy finishes separate when that will protect the texture.
How can I increase the protein?: Add a little more lentil or pair the recipe with a compatible high-protein side such as Greek yogurt, eggs, tofu, beans, or lean meat depending on the recipe style.
Can I make it lighter?: Use measured oil, lighter dairy or sauce options, and a larger vegetable portion while keeping the main protein amount steady.
What should I watch when swapping ingredients?: Keep moisture, salt, and cooking time in mind because high-protein swaps can dry out or firm up faster than the original ingredient.

Ingredient Replacements

dried green or brown lentils: Use the closest lean protein or high-protein base that fits the recipe format, and keep the portion similar so the texture and protein balance stay intact.
water or low-sodium vegetable broth: Swap with a similar cooked grain, vegetable, dairy item, or pantry ingredient when needed, adjusting liquid or cooking time if the replacement is wetter or drier.
olive oil: Use a related spice, herb, sauce, or aromatic if this ingredient is unavailable, then taste before adding extra salt or heat.
Gluten-free option: Choose certified gluten-free grains, crumbs, sauces, and pantry items when cross-contact matters.
Dairy-free option: Replace yogurt, cheese, kefir, or milk-based ingredients with unsweetened high-protein dairy-free alternatives when they fit the recipe.
Calorie adjustment: Keep oils, sweeteners, nuts, cheese, and creamy sauces measured so the recipe stays aligned with a protein-forward plate.

Storage

Cool Protein-Packed Vegan Lentil and Walnut Loaf with Tangy Tomato Glaze before storing, refrigerate in airtight containers for up to 4 days, keep crisp toppings or fresh garnishes separate when useful, freeze only if the main ingredients tolerate thawing well, and reheat gently with a splash of liquid or a short oven, skillet, microwave, or air-fryer warm-up that matches the recipe texture.

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Protein-Packed Vegan Lentil and Walnut Loaf with Tangy Tomato Glaze

Recipe Details

Ingredients

Instructions