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 Stir in garlic, bay leaf, paprika, Worcestershire sauce, onion, beef broth, potatoes, carrots, celery, and butternut squash. 2  Cover and cook on Low for 10 to 12 hours or on High for 4 to 6 hours. 3  Stir in escarole. 4  Cover and cook until escarole is tender, 15 to 20 minutes.ook. Ready In. 1  Place beef in slow cooker. 2  Mix together flour, salt, and pepper in a small bowl. 3  Pour over meat and stir to coat. 4  Stir in garlic, bay leaf, paprika, Worcestershire sauce, onion, beef broth, potatoes, carrots, celery, and butternut squash.