Skill/Time: Quick and easy

Ingredients:
5 medium white or red onions
3 tbsp olive oil
1 x 375g pack ready rolled puff pastry
50g walnut pieces
1 tbsp Balsamic vinegar
100g Stilton
2 sprigs of Rosemary

Heat oven to 180°C - med/high temperature.

1. Thinly slice the onions.

2. Gently fry the onions in olive oil over low heat for about 10 minutes until lightly brown and soft.
Don’t let them get too dark.

3. Add the Balsamic vinegar and cook slowly for 5 more minutes until lightly caramelised.
Leave to cool.

4. Roll the pastry into a square or rectangle 20 x 30cm,
and place on a flat baking sheet. Spread the caramelised onions evenly over the base
leaving 1 cm round the edges clear.

5. Crumble the Stilton over the top, scatter with walnuts and stud with rosemary sprigs.

6. Bake in the oven for 15 - 20 minutes until the pastry is golden and cheese has melted.
Cool for 5 mins before serving.