Thick Onion Tart recipe | Delia Smith

Thick Onion Tart recipe | Delia Smith

www.deliaonline.com

Delia's Thick Onion Tart recipe. The secret of this tart is to cook the onions until they almost caramelise so they form a thick, brown layer over the base. The Delia Online Cookery School: You can...

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Ingredients

  • 110g plain flour, plus a little extra
  • pinch of salt
  • 25g lard, removed from the fridge for 20 minutes
  • 25g butter, removed from the fridge for 20 minutes
  • 40g finely grated strong cheddar cheese
  • ½ teaspoon dry mustard powder
  • pinch of cayenne
  • a little cold water
  • 800g onions, chopped fairly small
  • 50g butter
  • 3 large eggs, beaten
  • 150ml double cream
  • 1 rounded tablespoon grated strong cheddar cheese

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