Caramelized onions and hot dogs are finger-food ready when wrapped in rich butter pastry. This is one of O's tasty Super Bowl recipes.
Servings: Makes 2 dozen
Ingredients
  • 2 Tbsp. butter
  • 1 large yellow onion , thinly sliced
  • 1/2 tsp. kosher salt
  • 1/4 tsp. freshly ground black pepper
  • 1 egg
  • 1 (9-by-9-inch) piece frozen all-butter puff pastry dough , thawed but still very cold
  • 4 (5-inch) pork hot dogs or beef hot dogs , halved lengthwise, then cut into 1 1/2-inch pieces
  • Chinese hot mustard , or other favorite mustard, for dipping
Directions
Preheat oven to 375°. Melt butter in a large skillet over medium heat. Add onion and cook, stirring occasionally, until soft and golden brown, 10 to 12 minutes; stir in salt and pepper. Cool, then finely chop and set aside.

In a small bowl, whisk together 1 tablespoon water and egg to make an egg wash; set aside. Arrange puff pastry on a clean surface and cut into 24 triangles, each about 2 inches wide at the bottom and about 3 inches tall. Transfer to a sheet tray, cover with plastic wrap, and keep refrigerated while working on step 3.

Remove a few pieces of puff pastry from refrigerator at a time, so that the rest remain chilled until ready to use. Spoon about 2 teaspoons onion onto a 3-inch end of each puff pastry triangle, then top with a piece of hot dog. Roll up, starting with hot dog end first. Along the way, using your fingers or a pastry brush, dab the puff pastry with a bit of egg wash to help seal. Transfer to a parchment-paper-lined baking sheet, seam side down.

Brush pigs in a blanket thinly with some of the egg wash and bake until puffed and golden brown, about 25 minutes. Transfer to a platter and serve with mustard.

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