Caramelized Onion And Spinach Tart - cooking recipe

Ingredients

1/4 cup olive oil
3 None red onions, sliced
2 tbsp brown sugar
2 tbsp balsamic vinegar
4 sheets puff pastry
3.5 oz baby spinach
3 oz olives
3 oz sun-dried tomatoes in olive oil, drained and chopped
3.5 oz feta
2 tbsp fresh basil

Preparation

Heat olive oil in a large frying pan on low. Cook onions for 10 mins, until they begin to caramelize.
Stir in brown sugar and vinegar and cook, stirring, for 5 mins. Allow to cool.
Preheat oven to 400\u00b0F. Lightly grease 2 baking sheets and line with parchment paper. Place a sheet of pastry on each baking sheet. Fold in 1/2 inch around edges.
Spread half the onion evenly over each pastry sheet. In a bowl, toss together spinach, olives and tomatoes. Spread half over each pastry. Crumble over feta.
Bake for 20-25 mins, until golden. Sprinkle with basil, cut in half and serve.