Add Carrots and Tomatoes: Incorporate the grated carrots and chopped tomato. Cook for about 5 minutes until tender.
Combine Lentils and Broth: Stir in the red lentils and vegetable broth. Bring to a boil, then reduce heat and simmer for 20-25 minutes until lentils are cooked.
Finish with Spinach: Add fresh spinach, seasoning with salt and pepper to taste.
Serve Hot: Enjoy your delicious soup with whole-grain bread or a slice of lemon.