Vegan Caramelized Onion Grilled Cheese

This indulgent vegan grilled cheese sandwich features sweet caramelized onions and melty vegan cheese for a comforting and flavorful meal.

Ingredients

  • 1 large onion, sliced 0.5 cm thick
  • 1 tbsp vegan butter
  • Salt to taste
  • 1 tsp soft brown sugar
  • 1 tsp balsamic vinegar
  • 2 tbsp vegan mayonnaise
  • 2 slices bread (gluten-free if needed)
  • 1 tsp Dijon mustard
  • 2 handfuls grated vegan cheese (mix of mozzarella and cheddar style recommended)

Method

  1. Caramelize the onions:
    • Melt butter in a pan over low-medium heat
    • Add sliced onions and salt, cook for 50-60 minutes, stirring often
    • Add water as needed to prevent burning
    • Stir in sugar and vinegar, cook 5 more minutes
  2. Prepare the bread:
    • Spread mayonnaise on one side of each bread slice
    • Place bread mayo-side down in a pan on medium heat
  3. Assemble the sandwich:
    • Spread mustard on the inside of one bread slice
    • Add grated cheese to both slices
    • Top one slice with caramelized onions
    • Close the sandwich
  4. Cook the sandwich:
    • Grill for 3-5 minutes per side until golden brown
    • Press down occasionally with a spatula
    • Remove from pan, slice, and serve

This Decadent Vegan Caramelized Onion Grilled Cheese is the ultimate comfort food upgrade. The sweet, melt-in-your-mouth onions perfectly complement the gooey vegan cheese, creating a sandwich that’s both familiar and exciting. Don’t be intimidated by the caramelization process – it’s simple and the results are so worth it. Give this recipe a try, and you’ll discover a new favorite way to elevate the classic grilled cheese!