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Grilled Cheese with Caramelized Onions

Emily Carter
A vegan grilled cheese sandwich layered with golden caramelized onions and melted dairy-free cheese, offering a sweet, savory, and deeply satisfying bite.
Prep Time 10 minutes
Cook Time 20 minutes
Total Time 30 minutes
Servings 2 servings
Calories 360 kcal

Ingredients
  

For the Sandwich:

  • 4 slices of sourdough or rustic bread
  • 1 large onion thinly sliced
  • 1 tablespoon olive oil or vegan butter
  • ½ teaspoon brown sugar optional, for extra sweetness
  • ½ cup vegan cheddar or mozzarella cheese
  • ¼ teaspoon garlic powder
  • Pinch of salt
  • ¼ teaspoon black pepper
  • 2 teaspoons vegan butter for grilling

For Serving:

  • Tomato soup or vegan aioli optional but heavenly

Instructions
 

  • Heat a skillet over medium-low heat.
  • Add olive oil and sliced onions. Stir occasionally for 15 minutes until golden and caramelized.
  • Sprinkle brown sugar, salt, and pepper, then stir and cook for 3 more minutes.
  • Set onions aside.
  • Spread vegan butter on one side of each bread slice.
  • Heat the skillet again over medium heat.
  • Place one slice buttered side down. Add cheese, caramelized onions, and garlic powder.
  • Top with the second slice, buttered side up.
  • Grill each side for 3–4 minutes until crisp and golden.
  • Slice diagonally and serve warm.

Notes

Nutritional Values (Per Serving)

  • Calories: 360
  • Total Fat: 14 g
  • Saturated Fat: 4 g
  • Carbohydrates: 40 g
  • Fiber: 5 g
  • Protein: 9 g

Vitamins and Minerals (Per Serving)

  • Iron: 10%
  • Calcium: 12%
  • Vitamin B6: 8%
  • Magnesium: 6%
  • Vitamin A: 10%

Additional Notes / Tips

  • Add a drizzle of balsamic glaze for extra depth.
  • For crunch, toss in a handful of fresh spinach before grilling.
  • Caramelize onions in advance and store them — future you will thank you.
  • Use sourdough or ciabatta for the perfect crispy texture.
  • Pair with soup or wine — depending on your mood (no judgment).