Ingredients

• Several slices brioche 1/4-inch thick and cut in rounds
• Slices raw onion
• Salt
• Mayonnaise
• Parsley

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Instructions

1. Spread the rounds with mayonnaise. On half the slices place a very thin slice of raw onion, just the size of the round, and salt it well. Place another slice of brioche on top; roll the edges first in mayonnaise and then in finely chopped parsley.