Combine butter and onion in ... minutes, or until soup is slightly thickened; stir occasionally. Add broccoli and puree in batches in ... FOR CREAM OF SPINACH SOUP, follow above procedure. Substitute ... cup milk; omit broccoli.
Combine first 3 ingredients in ... white sauce to broccoli mixture, stirring over medium heat until soup is thickened and bubbly. Reduce ... make cream of spinach soup, use 3 packages frozen ... place of the mace.