Grilled Gruyere Panini with Pickled Sweet Onions

This Grilled Gruyere Panini with Pickled Sweet Onions is a delicious sandwich made with crispy sourdough bread, melted savory cheese, and tangy-sweet onions.

Ingredients:

• 8 slices sourdough bread
• 1 lb Gruyere cheese, thinly sliced
• 1 large sweet onion, thinly sliced
• 1 cup apple cider vinegar
• 1/4 cup granulated sugar
• 1/2 tsp salt
• 1/4 tsp black pepper
• 2 tbsp butter, softened

Instructions:

Apple cider vinegar, sugar, salt, and black pepper should all be mixed together in a small saucepan

Bring it to a boil, then add the sweet onions that have been cut short

Turn down the heat and let the onions simmer for 10 minutes, until they are soft and almost clear

Take it off the heat and let it cool down

Remove any extra liquid

Set a grill pan or pan for making sandwiches on medium heat

Place some soft butter on one side of every sourdough slice

Put Gruyere cheese on the side of 4 slices of bread that hasnt been buttered

Add the pickled sweet onions on top, and then cover with the rest of the bread slices, buttered side out

Put the sandwiches on the grill pan or panini press that has been heated up

Toast the bread and melt the cheese for three to four minutes on each side

Take it off the heat, cut it in half, and serve it hot