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Grilled Sweet Onion and Butter Sandwich

A delightful grilled sandwich featuring sweet onions and butter on white bread, cut into perfect rounds and topped with fresh parsley. This simple yet elegant sandwich combines the sweetness of onions with rich butter for a comforting meal.

4 servings
9 min
Published October 4, 2025
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Ingredients

  • •8 slices white sandwich bread
  • •4 tablespoons unsalted butter
  • •½ small sweet onion
  • •1 pinch flaky sea salt
  • •1 pinch black pepper
  • •2 tablespoons parsley
  • •1 piece cookie cutter

Cooking Instructions

  1. 1.

    Using cutter, punch a round from each slice of bread. Spread both sides with butter and top 4 rounds with 2 onion slices each; season with salt and pepper. Close sandwiches.

    5 min

  2. 2.

    Heat a large skillet, preferably nonstick, over medium-high and cook sandwiches until golden brown, about 2 minutes per side (onion will soften slightly). Top with parsley and more salt.

    4 min

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