In heavy stockpot or kettle, melt butter until sizzling.
Add onions, sauté until soft.
Add all remaining ingredients except broccoli and hot pepper sauce. Cook, stirring occasionally, until potatoes are tender.
Add broccoli and hot pepper sauce.
Continue heating until soup is heated through to 165°F for 15 seconds.
CCP: Heat to 165°F for at least 15 seconds
CCP: Maintain hot food at 135°F or above