Portobello Mushroom, Cheddar and Caramelised Onion Quesadillas

Ingredients

• 2 tablespoons olive oil
• 2 onions, sliced
• 3 teaspoons brown sugar
• 1/3 cup balsamic vinegar
• 20 grams unsalted butter
• 3 large garlic cloves, crushed
• 4 portobello or other large flat mushrooms, thinly sliced
• 3 thyme sprigs, leaves picked
• 8 flour tortillas or wholegrain wraps
• 200 grams vintage cheddar, grated
• Handful rocket leaves, roughly chopped
• 1/2 cup sour cream
• Juice of 1/2 lemon

Preparation

Click here for preparation method.