Preheat your oven to 180C /350F /Gas4
Spray your tart tins / muffin tin with fry lite spray
Next take a sheet of filo pastry and cut it into approx 6 squares, depends on the size of your filo sheet (approx 8cm ish square)
For each tartlet layer up 3 squares Filo - at varying angles - spraying between each layer with spray lite, be careful it's fragile and you don't want your filling leaking out! (any less than 3 the tarts aren't sturdy enough to hold the filling)
Next dry fry your bacon and mushrooms in a pan until golden, divide into 4 portions and pop a 1/4 of the bacon & mushroom mix in each case
In a measuring jug, beat your eggs and milk together and season
Pour the egg mixture into the tartlets, evenly distributed between the 4 tartlets
Top each tartlet with 10g cheese Add a quick spray of frylite and bake in the oven, top shelf for 30-35 minutes - until firm and golden