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Patty Melt Pie with Caramelized Onions & Swiss Cheese

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This Patty Melt Pie transforms the classic diner sandwich into a cozy, sliceable dinner packed with juicy beef, gooey Swiss cheese, and sweet caramelized onions, all wrapped in a flaky pie crust. It’s a comforting, crowd-pleasing meal that’s easy enough for weeknights and impressive enough for company.

Ingredients

Scale
  • 1 sheet refrigerated pie dough (or homemade)
  • Butter for greasing the pan
  • 2 large yellow onions, thinly sliced
  • 2 tablespoons unsalted butter
  • 1 teaspoon olive oil
  • Pinch of salt
  • Pinch of sugar (optional)
  • 1 pound ground beef (80/20 preferred)
  • 1 tablespoon Worcestershire sauce
  • 1 teaspoon Dijon mustard
  • 1/2 teaspoon garlic powder
  • 1/2 teaspoon onion powder
  • 1/2 teaspoon salt (or to taste)
  • 1/4 teaspoon black pepper
  • 6 ounces Swiss cheese, shredded
  • Optional: 2 ounces cheddar or provolone cheese, shredded
  • 1 egg, beaten with 1 tablespoon milk (for egg wash)
  • Sesame seeds (optional, for topping)

Instructions

  1. Preheat the oven to 375°F (190°C) and position the rack in the lower third.
  2. Roll out the pie dough to fit a 9-inch pie dish. Press into the pan, trim excess, and chill in the fridge.
  3. Heat 2 tablespoons butter and 1 teaspoon olive oil in a large skillet over medium-low heat. Add sliced onions, a pinch of salt, and sugar if using. Cook, stirring every few minutes, until onions are deep golden and jammy, about 25-30 minutes. Add a splash of water if onions stick.
  4. Increase skillet heat to medium. Add ground beef and cook, breaking up with a spoon, until browned and no pink remains, about 5-7 minutes. Drain excess fat if needed.
  5. Stir Worcestershire sauce, Dijon mustard, garlic powder, onion powder, salt, and pepper into the beef. Cook 1-2 minutes more. Taste and adjust seasoning.
  6. Remove chilled crust from fridge. Sprinkle half the shredded Swiss cheese on the bottom.
  7. Spread the beef mixture evenly over the cheese layer.
  8. Top with all the caramelized onions, then the remaining Swiss cheese (and any extra cheese if using).
  9. If using a double crust or lattice, roll out the second sheet and lay over the filling. Trim and crimp edges to seal. Cut slits for steam. For a single crust, leave top open or add a loose lattice.
  10. Brush crust with egg wash and sprinkle with sesame seeds if desired.
  11. Bake for 35-40 minutes, or until golden brown and bubbling at the edges. Cover edges with foil if browning too quickly.
  12. Let cool for 10-15 minutes before slicing and serving.

Notes

For best results, caramelize onions slowly over medium-low heat. Layering cheese under the beef helps prevent a soggy crust. Chill the dough before baking for a flakier result. Let the pie rest before slicing for clean pieces. Variations include using gluten-free crust, swapping in ground turkey or plant-based meat, or changing up the cheese. Leftovers reheat well and can be frozen for up to 2 months.

Nutrition

Keywords: patty melt pie, caramelized onions, Swiss cheese, ground beef pie, comfort food, easy dinner, family meal, diner recipe, savory pie, homemade pie

Find it online: https://tastypierecipes.com/patty-melt-pie-recipe-easy-homemade-dinner-with-caramelized-onions/