Sauté the vegetables

• Heat the olive oil in a large pot over medium heat.
• Sauté the onion, garlic, carrots and celery until softened.

Add the remaining ingredients

• Add the potatoes, lentils, vegetable broth, tomato paste and thyme.
• Bring to a boil, then reduce the heat and simmer until the lentils and potatoes are tender.

Season and serve

• Season with salt and pepper.
• Serve with crusty bread.