Cheese and Onion Pie

Ingredients

Check you have the quantities below.

• 500 g shortcrust pastry
• 3 medium onions, thinly sliced
• 200 g cheddar, grated
• 25 g butter
• 1 tbsp plain flour
• 250 ml milk
• 1 tsp mustard
• 1/2 tsp salt
• 1/4 tsp black pepper
• 1 egg, beaten

Let’s make it

1. Preheat the oven to 200 C/400 F. Cook the onions in butter over low heat for 15 minutes until soft and golden.
2. Stir in the flour, then whisk in the milk and cook until thick. Mix in the cheese, mustard, salt and pepper.
3. Line a pie dish with half the pastry. Add the filling, then cover with the remaining pastry and crimp the edges. Brush with beaten egg.
4. Bake for 35-40 minutes until deep golden and piping hot.
5. Rest for 10 minutes before slicing.