Martha's Cheddar, balsamic & red onion tart

Martha's Cheddar, balsamic & red onion tart

Oat-speckled pastry encasing extra-mature Cheddar and caramelised balsamic onions makes each slice of this tart taste delicious. It's perfect hot or cold, or make individual tarts instead for a starter or canapés

    • Serves8
    • CourseStarter
    • Prepare30 mins
    • Cook1 hr
    • Total time1 hr 30 mins

    For the pastry

    • 50g oats
    • 175g plain flour
    • 125g butter, chilled and cubed

    For the filling

    • 2 red onions
    • 1 tbsp olive oil
    • 1 tsp light brown soft sugar
    • 1 tbsp balsamic vinegar
    • 3 British Blacktail Large Free Range Eggs
    • 200ml creme fraiche
    • 100ml double cream
    • 225g extra-mature Cheddar cheese, coarsely grated
    • Black pepper, to season