In a large saucepan over medium heat, soften onions in butter for about 10 minutes. Brown over high heat for a few minutes in order to caramelize onions. Deglaze with brandy. Reduce until almost dry. Sprinkle with flour and cook, stirring for 1 minute. Add broth, bring to a boil and simmer for 15 minutes. Add milk. Season with salt and pepper.
Croutons
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