Zimmermann Telegram rate. Usage: The Zimmermann Telegram was not looked upon too benignly by America-no one really knows why America entered WWI in April 1917, but the Zimmermann Telegram certainly didn't help. (Forget the sinking of the Lusitania, 23 months earlier.).
Cooking on HIGH Cooking on HIGH for one hour is equivalent to 2 to 2-1/2 hours of cooking on LOW. The HIGH setting of a slow cooker ranges in temperature from 300-325 F. The slow cooker becomes a soup kettle as liquids boil and evaporate at this temperature.
Method (Serves 6). 1  Pre-heat the slow cooker on HIGH for 20 minutes. 2  Meanwhile, in a large frypan, heat the olive oil and brown the beef in small batches over high heat for a couple of minutes. 3  Layer carrots, celery, potatoes and onions in the bottom of the slow cooker bowl.ethod (Serves 6). 1  Pre-heat the slow cooker on HIGH for 20 minutes. 2  Meanwhile, in a large frypan, heat the olive oil and brown the beef in small batches over high heat for a couple of minutes. 3  Layer carrots, celery, potatoes and onions in the bottom of the slow cooker bowl.