Tarragon Potato and Caramelized Onion Tart | TasteToronto

Ingredients

• 1 tablespoon unsalted butter
• 1/2 red onion (thinly sliced)
• 2 yellow potatoes (sliced)
• 1 tablespoon olive oil
• 1/2 teaspoon salt
• 3 tablespoons tarragon (chopped, divided)
• 1/2 cup Manchego (shredded, divided)
• 1 sheet 9x9 inch puff pastry (store-bought or homemade)
• 2 tablespoons cream cheese
• 1/2 teaspoon chili flakes
• Crème fraîche (optional)