Heat oven to 230C/Fan 210C/ gas 8.
Drizzle a little Oil evenly into Yorkshire pudding trays and place in the oven to heat through.
Tip Flour into a bowl and beat in your egg until smooth.
Gradually add the milk, keep beating until mix is completely lump free.
Season with salt.
Pour batter into a jug, then remove hot tins from oven, carefully pour batter into holes..
Place the tins back in the oven, leave undisturbed for 20-25minutes. Until browned and Puffed..