Puy Lentils

Ingredients

• 70 grams puy lentils
• 1 tablespoon olive oil
• 1 onion chopped
• 1 clove garlic chopped
• 1 carrot diced
• 1 stick celery sliced
• 2 teaspoons dried thyme
• 1 cup vegetable stock
• 1 tablespoon ketchup
• 1 teaspoon sherry vinegar
• salt
• pepper