The Ultimate Weeknight Warm-Up: Easy Garden Lentil Soup

When the weather gets chilly, there is nothing more comforting than a steaming bowl of lentil soup. This recipe is a true “one-pot wonder,” packed with nutrient-dense kale, earthy green lentils, and fire-roasted tomatoes for a subtle smoky depth.

What makes this version a winner is the layering of flavors. By sautéing the kale stems along with the mirepoix (onions, carrots, and celery), you ensure nothing goes to waste while adding great texture. It’s vibrant, fiber-rich, and incredibly budget-friendly.

Pro Tip: To keep this 100% vegan, swap the optional Parmesan garnish for a sprinkle of nutritional yeast or some toasted breadcrumbs for that salty, savory crunch!

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Best Lentil Soup

• Prep time: 15 mins
• Cook time: 45 mins
• Total time: 1 hr
• Serves: 4 to 6

Ingredients

• 2 tbsp extra-virgin olive oil
• 1 medium yellow onion, chopped
• 4 medium carrots, chopped (approx. 2 cups)
• 2 celery stalks, chopped
• 6 small or 3 large kale leaves (stems finely diced, leaves chopped—approx. 8 cups)
• Heaping ½ tsp ground cumin
• 1 ½ tsp sea salt
• Freshly ground black pepper
• 4 garlic cloves, grated
• 1 (14-ounce) can fire-roasted diced tomatoes
• ¾ cup dry green lentils, rinsed
• 2 tbsp white wine vinegar
• 12 fresh thyme sprigs, bundled
• 6 cups vegetable broth
• ½ cup fresh parsley, chopped (for garnish)
• Red pepper flakes
• Grated Parmesan cheese (optional; skip for vegan)

Instructions

1. Sauté the Aromatics: Heat the olive oil in a large pot (like a Dutch oven) over medium heat. Add the onion, carrots, celery, kale stems, cumin, salt, and several grinds of pepper. Cook, stirring occasionally, for 8 minutes or until the vegetables begin to soften.
2. Simmer: Stir in the garlic, tomatoes, lentils, vinegar, thyme, and broth. Cover and simmer for 25 to 30 minutes, or until the lentils are tender.
3. Wilt the Greens: Add the chopped kale leaves and cook for another 5 minutes until wilted.
4. Finish & Serve: Remove the thyme bundle and season to taste. Serve hot, topped with fresh parsley, red pepper flakes, and optional vegan toppings.