1 Yellow Onion, chopped
2 Tablespoons olive oil
1 Large sweet potato, peeled and diced
1 Large leek, light green and white parts, washed and coarsely chopped
2 Large bunches of winter greens: kale, collards, chard, and/or spinach, washed and finely chopped
3 Tablespoons fresh ginger, chopped
2 Cups vegetable broth
3 Teaspoons freshly-squeezed lemon juice
Sea salt and freshly-ground pepper
Recipe
1. In a medium skillet over low heat, caramelize onions. Pour olive oil in skillet, add onions and stir occasionally for about 30 minutes, or until onions are golden and soft.
2. In the mean time, place sweet potato. 4 cups of water, and one teaspoon of sea salt in a stock pot. Add leek, spinach chard and ginger to the stock pot and bring to a boil. Turn the heat down to a simmer and let cook until vegetables are tender, about 30 minutes. Add onions and vegetable broth to soup. Stir. Add lemon juice and pepper. Stir.