Havarti Caramelized Leek Grilled Cheese (Printable)

Sweet leeks and creamy Havarti melted between golden buttery bread slices.

# What You'll Need:

→ Vegetables

01 - 2 medium leeks, white and light green parts only, thinly sliced
02 - 1 tablespoon olive oil
03 - 1 tablespoon unsalted butter
04 - Pinch of salt
05 - Pinch of black pepper

→ Cheese

06 - 4 ounces Havarti cheese, sliced

→ Bread & Spreads

07 - 4 slices artisan or sourdough bread
08 - 2 tablespoons unsalted butter, softened

# How to Make It:

01 - Heat olive oil and 1 tablespoon butter in a skillet over medium heat. Add sliced leeks, salt, and pepper. Cook, stirring occasionally, until leeks are soft and caramelized, about 12–15 minutes. Remove from heat and set aside.
02 - Lay out all bread slices. Spread softened butter evenly on one side of each slice.
03 - Place two bread slices buttered side down on a clean surface. Distribute caramelized leeks evenly over both slices. Layer Havarti cheese slices on top of the leeks. Top with remaining bread slices, buttered side up.
04 - Heat a clean skillet or griddle over medium-low heat. Place sandwiches in the skillet and cook until bread is golden brown and cheese is melted, about 3–4 minutes per side. Press gently with a spatula for even grilling.
05 - Slice each sandwich in half diagonally and serve warm.

# Expert Tips:

01 -
  • The sweetness of caramelized leeks balances perfectly with Havartis creamy mildness
  • It transforms ordinary grilled cheese into something that feels like a treat from a fancy cafe
  • The whole process takes just over half an hour but tastes like you spent all afternoon cooking
02 -
  • Leeks can hide dirt between their layers, so slice them lengthwise first and rinse thoroughly under cold water
  • Medium-low heat is essential for grilling; high heat burns the bread before the cheese melts
  • The leeks can be made ahead and kept in the refrigerator for up to three days
03 -
  • Use a cast iron skillet if you have one for the most even browning
  • Let the sandwiches rest for one minute after cooking so the cheese sets slightly
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