What's added atop a croque-monsieur to make it a croque-madame Crossword Clue

Based on our findings the most likely answer to the What's added atop a croque-monsieur to make it a croque-madame crossword clue is: egg

Below is a full list of potential answer this this clue sorted by highest probability. Click on the puzzle name or date to see more clues from the same crossword puzzle. 👇

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