A Hearty, Plant-Based Greek Soup for Cooler Days This lentil and sweet potato soup is a deeply satisfying, plant-forward dish that reflects the heart of Greek home cooking and sustainable Mediterranean cuisine. Earthy lentils, naturally sweet potatoes, and tender spinach simmer together with sage, tomatoes, and Greek olive oil, then finish with a subtle drizzle of petimezi and balsamic vinegar for balance and depth. Nutritious, economical, and ideal for batch cooking, this soup is rich in fiber and plant protein and fits beautifully into a Mediterranean diet, vegetarian, and vegan lifestyle.