Feta and Onion Marmalade Tartlets

• 4 onions finely chopped
• 1 tbsp olive oil
• 1/4 cup balsamic vinegar
• 1/4 cup water
• 1/4 cup brown sugar
• 12 small savory tartlet cases
• 100 grams feta
• parley sprigs

1. Place onion, oil, vinegar, water and brown sugar in a pan and bring to oil
2. Simmer until thick and syrupy
3. Cool
4. Place a spoonful of marmalade into each tart case, top with cheese
5. Heat through
6. Garnish with parsley