Squash is a good source of potassium. Beans are a good source of potassium. Avocado is high in potassium. Kiwis are packed with potassium, an essential mineral that helps the body maintain proper levels of hydration and electrolytes.
Step 2. Boil 1 to 1 1/2 qt. of water in a large pot. When the water has reached a rolling boil, dump the escarole for 2 minutes, stirring once or twice as the stems soften. Lift the escarole out with a slotted spoon onto a plate and transfer to the colander where you may leave it to drain for up to an hour.
Bring 4 cups of water to a boil. Add dry lima beans, and boil for 2 to 3 minutes. Remove from heat, and allow the beans to sit, covered, for 1 to 2 hours to soften. Drain and rinse until water runs clear, discarding bean water. In a soup pot, saute vegetables in olive oil until onions and celery are translucent. Add lima beans, and saute for another 2 to 3 minutes. In the meantime, bring 4 cups of water to a boil. Add the vegetable bouillon to the boiling water, and stir until dissolved.