Crispy Patty Melt with Caramelized Onions
Smashed beef patty on rye with melted Swiss and deeply caramelized onions, griddled until the bread is golden and crispy. A diner classic that comes together in under 30 minutes.
- Total time
- 28 min
- Servings
- 2
- Calories
- 620
- Protein
- 35g
Ingredients
- 1 medium, thinly sliced yellow onion
- ½ lb ground beef
- 2 slices Swiss cheese
- 2 slices rye bread
- 2 tbsp butter
- 1 tbsp Dijon mustard
- ¼ tsp each salt and pepper
Instructions
- 1
Heat 1 tbsp butter in a 10-inch skillet over medium. Add sliced onion and a pinch of salt.
- 2
Cook onion, stirring occasionally, until deep golden and jammy, about 12–15 minutes. Transfer to a plate.
- 3
Form ground beef into two thin patties, each roughly the size of your bread slice. Season generously with salt and pepper.
- 4
Return skillet to medium-high. Sear patties 2–3 minutes per side until edges look browned. Top each with a cheese slice.
- 5
Spread mustard on both bread slices. Layer cheese-topped patty, caramelized onion, and second bread slice on each.
- 6
Wipe skillet clean. Add remaining 1 tbsp butter over medium. Griddle sandwiches 2 minutes per side until golden and crispy.
Tools you’ll need
- 10-inch skillet
- spatula
- small plate
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