High-Protein Vegetarian Lentil and Spinach Soup

Published: February 14, 2026
Megan PerryMegan Perry
Tags: vegan, Vegetarian, High-Protein, Dairy-Free, Soup, Lentils, Iron-Rich

Lentil Spinach Soup

A hearty, dairy-free, high-protein soup packed with lentils, spinach, and iron-rich ingredients, perfect for lunch.

Prep Time:10 minCook Time:30 minTotal Time:40 minServings:4Difficulty:Easy

Nutrition (per serving)

Calories:320 kcal
Protein:22 g
Carbs:45 g
Fat:4 g

This hearty vegetarian lentil and spinach soup is a comforting, protein-packed dish that is perfect for a nourishing lunch. It's easy to prepare and loaded with iron-rich ingredients like lentils and spinach, making it both wholesome and satisfying.

The warmth of spices mingling with the earthy lentils and fresh greens makes this soup a delightful option for a quick, nutritious meal. Plus, it's naturally dairy-free and gluten-free, fitting well into a variety of dietary plans.

Ingredients

  • Red lentils:1.5 cups
  • Fresh spinach:4 cups
  • Chopped tomatoes:1.5 cups
  • Vegetable broth:4 cups
  • Onion, chopped:1 medium
  • Garlic cloves, minced:3 cloves
  • Olive oil:2 tablespoons
  • Ground cumin:1 tsp
  • Ground coriander:1 tsp
  • Salt and pepper:to taste

Instructions

  1. Heat olive oil in a large pot over medium heat. Sauté chopped onion and minced garlic until fragrant and translucent, about 5 minutes.

    Onion and garlic sauteing in olive oil in a pot
  2. Stir in cumin and coriander, cooking for another minute to toast the spices. Add the lentils, chopped tomatoes, and vegetable broth. Bring to a boil.

    Red lentils, tomatoes, and broth boiling in a pot
  3. Reduce heat and simmer uncovered for about 20 minutes, or until lentils are tender. Add the spinach and cook for another 5 minutes until wilted.

    Spinach wilting into simmered lentil tomato soup
  4. Season with salt and pepper to taste. Serve hot with a drizzle of olive oil or a squeeze of lemon if desired.

    Finished lentil spinach soup with tomatoes and black pepper

Tips & Notes

  • Use red lentils for a quick-cooking and smooth texture.
  • Feel free to add a splash of lemon juice before serving for extra brightness.