https://www.copymethat.com/r/xZVMGROYX/smashed-hamburgers-with-caramelized-onio/
137414759
9Lzs4kg
xZVMGROYX
2024-05-16 15:37:43
Smashed Hamburgers with Caramelized Onions
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Ingredients
- Canola or grapeseed oil
- 4 cups (¼-inch) sliced red onions (2 medium)
- 1 teaspoon sugar
- 1 tablespoon good red wine vinegar
- 1 ½ teaspoons dry mustard powder, such as Colman’s
- Kosher salt and freshly ground black pepper
- 1 ¼ pounds ground beef with 20% fat
- 1 ¼ cups grated Gruyère cheese (4 ounces)
- 4 sandwich potato rolls, such as Martin’s
- Ketchup, for serving
Steps
Directions at foodnetwork.com
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