Step 1

Finely dice bacon, mushrooms and onion, then fry in a pan until bacon is cooked and onion is tender. Cool mixture.

Step 2

Line tart tins with small circles of pastry and prick with a fork.

Step 3

Spoon cooled mixture into each pastry tin and sprinkle with grated cheese.

Step 4

Beat eggs and milk in a jug until combined, season with salt and pepper, then pour over mixture in pastry cases and sprinkle with parsley flakes.

Step 5

Bake in a hot oven for 5 minutes, then reduce to moderate oven for a further 10 minutes, depending on the size of tart tins