Caramelized Onion Grilled Cheese Sandwich
(from SallyV’s recipe box)
Found in a magazine in the 90’s. These are yummy. You can easily switch out the bread and cheese type for your favorite.
Prep time: 10 minutes
Cook time: 35 minutes
Serves 4 people
Categories: Sandwiches
Ingredients
- 3 T butter, softened
- 1 large sweet onion, sliced and separated
- 1 t brown sugar
- 8 slices pumpernickel bread
- 4 T ground mustard or spicy brown mustard
- 8 slices Muenster cheese
Directions
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Over medium-high, melt 1 tablespoon of butter in a 12-inch nonstick skillet. Add the onion; cook stirring for 3-5 minutes, until tender. Reduce to medium-low heat, adding in the brown sugar.
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Cook until onion is glazed and golden, around 20-25 minutes, stirring occasionally.
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While cooking the onions, spread mustard over the 8 slices of bread; place cheese slice on each piece of bread.
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Spoon the onion mixture evenly over 4 bread/cheese slices. Place other bread/cheese slices on top. Spread tops of sandwiches with 1 tablespoon of butter.
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Using a griddle pan over medium-low heat, place 4 sandwiches buttered side down. Spread remaining butter on other sides. Cook until cheese has melted, about 4 minutes per side.