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Indulgent French Onion Cheese Toast: The Ultimate Comfort Bite

Experience the comforting flavors of French Onion Cheese Toast, a gourmet twist on a classic dish perfect for any meal.
Course Lunch
Cuisine French
Keyword comfort food, easy recipe, French Onion Cheese Toast, Gourmet Sandwich, grilled cheese, Onion Jam
Prep Time 15 minutes
Cook Time 25 minutes
Total Time 40 minutes
Servings 2 sandwiches
Calories 450kcal

Equipment

  • cast iron skillet

Ingredients

For the Onion Jam

  • 2 tablespoons Olive Oil
  • 2 large Onions sliced, preferably sweet
  • 1 sprig Rosemary optional
  • 2 leaves Bay Leaves remove before serving
  • 3 sprigs Thyme
  • 1 tablespoon Brown Sugar or substitute with honey
  • 1/2 cup Red Grape Juice or balsamic vinegar
  • 1 tablespoon Balsamic Vinegar

For the Toast

  • 2 tablespoons Softened Butter
  • 1 cup Gruyere Cheese shredded
  • 1 cup White Cheddar Cheese shredded
  • 4 slices Bread Sourdough or Ciabatta preferred
  • 1/4 cup Parmesan Cheese optional, for garnish

Instructions

How to Make French Onion Cheese Toast

  • Pour olive oil into a cast iron skillet and heat over medium.
  • Add sliced onions and sauté them for about 20 minutes until golden and caramelized.
  • Stir in rosemary, bay leaves, thyme, brown sugar, red grape juice, and balsamic vinegar. Let it simmer until thickened.
  • Spread softened butter on one side of each bread slice. Layer Gruyere, white cheddar, and onion jam on unbuttered sides. Top with another slice, buttered side up.
  • Cook the assembled sandwiches in the skillet for 4-5 minutes on each side until golden brown and cheese is melted.
  • Optional: Sprinkle freshly grated Parmesan on top after cooking. Cut sandwiches in half and serve warm.

Notes

You can add roasted garlic or mushrooms for extra flavor. Store leftovers in an airtight container, and reheat in a skillet.