Indulge in a delicious Caramelized Onion & Gruyere Flatbread that's perfect for any occasion! This easy recipe features sweet, caramelized onions paired with creamy Gruyere cheese on a crispy flatbread. With simple ingredients and a quick prep time, you'll have a gourmet dish in just 45 minutes. Click through for the full recipe and impress your guests with this mouthwatering treat that will elevate your appetizer game!
1 large pre-made flatbread or pizza dough
2 medium yellow onions, thinly sliced
1 tablespoon olive oil
1 teaspoon balsamic vinegar
1 teaspoon sugar
Salt and pepper to taste
1 cup grated Gruyere cheese
1/2 cup fresh arugula (for topping)
1 tablespoon fresh thyme leaves (optional)