Ultimate Grilled Cheese

• 4 slices sourdough bread
• 2 tbsp mayonnaise (for the outside — the secret to perfect browning)
• 2 tbsp softened butter (for the inside)
• 100g Gruyère, grated
• 100g sharp cheddar, grated
• Optional: caramelized onions, Dijon mustard, fresh thyme

Instructions

1. 1

   Spread mayonnaise on the outside of each bread slice — this creates a golden, even crust without burning.

2. 2

   Spread softened butter on the inside of each slice.

3. 3

   Pile cheese generously on two slices. Add any optional fillings.

4. 4

   Close sandwiches and cook in a cold non-stick pan over medium-low heat.

5. 5

   Cook 4-5 minutes per side, pressing gently, until deeply golden and cheese is fully melted.

6. 6

   The key is low and slow — too high heat browns the bread before the cheese melts.

7. 7

   Slice diagonally and serve immediately.

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