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Griddle Recipes

Classic Patty Melt Recipe with Jammy Onions

Counter & Cone · Updated 2026-07-19 · 4 min read
Classic Patty Melt Recipe with Jammy Onions
The gistFor a classic patty melt, slowly brown sliced onion, shape 12 ounces of ground beef into two thin patties, and cook them to 160°F in the center. Layer each patty with onion and two slices of cheese between rye bread, then griddle the sandwiches in butter until both sides are crisp and the cheese melts. The recipe makes two substantial sandwiches and takes about 40 minutes, mostly for the onions.
Contents

The classic patty melt, sized for two

This patty melt uses two thin beef patties, deeply browned onion, Swiss cheese, and rye bread. Cook the onion first, bring each patty to 160°F (71.1°C), then griddle the assembled sandwiches over medium-low heat so the cheese melts before the bread becomes charcoal with aspirations.

Ingredients

This makes two sandwiches. Ingredient labels govern allergen questions; bread and cheese may contain ingredients beyond their obvious headliners.

Brown the onion slowly

Heat the oil and 1 tablespoon butter in a wide skillet over medium heat. Add the sliced onion and a small pinch of the measured salt. Stir to coat, then reduce the heat to medium-low.

Cook for 20 to 30 minutes, stirring every few minutes, until the onion is soft, reduced, and richly golden. If dark residue threatens to burn, add 1 tablespoon water and scrape it up. Repeat with another spoonful only when needed; the water should evaporate.

Transfer the onion to a clean bowl. Wipe the skillet carefully if it contains burnt bits, but keep it available. The griddle recipe collection believes pan reuse is efficient; pan archaeology is not.

Shape thin, bread-size patties

Divide 12 ounces of beef into two 6-ounce portions. Shape each into a thin oval slightly larger than the bread because it will contract as it cooks. Press gently rather than packing the meat into a hockey puck. Season both sides with the remaining salt and pepper.

Wash hands with soap and water after handling raw beef. Keep the raw-meat plate and utensils separate from bread, cheese, cooked onion, and finished patties. Do not partially cook patties now and finish them later.

Cook to temperature, not color

Return the skillet to medium-high heat. Add the patties without crowding and cook until browned underneath, then turn and finish the second side. Timing varies with thickness, skillet, and burner, so use an instant-read thermometer instead of a clock or interior color.

Ground beef must reach 160°F (71.1°C) at the center. Insert the probe sideways into a thin patty to reach its middle. Transfer safely cooked patties to a clean plate and clean the thermometer according to its instructions.

If the patties release considerable fat, carefully remove the excess into a heat-safe container. Never pour hot grease down a drain.

Assemble and griddle

Lay out the four bread slices. Put one cheese slice on each. Divide the onions between two slices, add one hot patty to each, and close with the remaining cheese-topped bread. Keeping cheese against both pieces of bread helps anchor the filling.

Spread the outer surfaces with the remaining 1 tablespoon softened butter: that is 1/4 tablespoon, or 3/4 teaspoon, per bread face across four faces.

Set the skillet over medium-low heat. Add both sandwiches if they fit without touching. Cook for 3 to 5 minutes per side, pressing only lightly, until the rye is evenly crisp and the cheese has melted. Reduce heat if the bread darkens too fast. Covering the pan for 30 to 60 seconds can help trap warmth, but prolonged covering may soften the crust.

Serve while the geometry holds

Rest the melts for 2 minutes, then cut with a serrated knife. Serve with mustard if desired. A crisp pickle or lightly dressed salad cuts through the richness; a scoop from the no-churn vanilla ice cream recipe takes the meal in the opposite, equally defensible direction.

Cool leftovers promptly in shallow, covered storage. Reheat cooked ground-beef leftovers to 165°F (73.9°C), checking with a thermometer. The sandwich is best fresh, when the bread crackles and the cheese has not yet filed for separate residency.

FAQ

What bread is best for a patty melt?

Rye bread gives a patty melt its familiar deli-style character and holds up well to the filling. Seeded or seedless rye both work. Choose evenly cut slices that are broad enough for the patty but not extremely thick, which can delay melting. Sourdough is a workable substitute, although the flavor and identity shift slightly.

What cheese should I use on a patty melt?

Swiss cheese is traditional in many versions because it melts readily and balances the beef and onion. American-style melting cheese or a combination can also work. Use four sandwich-size slices for two melts. Very dry or thick cheese may need lower heat and a covered pan briefly so the bread does not burn before the center softens.

How do I know when the beef patties are safe?

Measure the center with an instant-read food thermometer. Ground beef should reach 160°F (71.1°C); color alone is not a reliable safety test. For a thin patty, insert the probe from the side toward the center. Wash the thermometer stem as its manufacturer directs, and keep cooked patties away from plates or tools that held raw beef.

Can I make the onions ahead of time?

Yes. Cool cooked onions promptly, refrigerate them in a covered container, and reheat only the amount needed. If added cold, they can slow cheese melting, so warm them before assembly. Follow current cold-storage guidance and discard food left at unsafe temperatures. When quality or safety is uncertain, making a fresh onion is cheaper than conducting refrigerator diplomacy.

Why did my patty melt bread burn?

The skillet was probably too hot, the bread had too much exposed butter, or the sandwich needed longer for cold filling to warm. Use medium-low heat for assembly, start with warm patties and onions, and lower the burner if browning races ahead of melting. Cover the pan briefly to retain heat, but watch for steam softening the crust.