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.
1 Place a couple inches (4 cm) of water into a pot to boil with a steaming basket on top. 2  Add some lemon juice and salt to flavor the water if you prefer. 3  Drop the artichokes into the pot once the water begins to boil and steam for 15 to 20 minutes.