Pre-heat the oven to 350°F
Sieve the dry ingredients into a large bowl and rub in the butter.
Drain the raisins from the tea and add to the flour mix.
Pour in the egg and buttermilk mixture and stir gently.
Turn out onto a floured board and knead lightly for a minute or two.
Shape into a round and flatten slightly to about 2 inches.
Place on a floured baking sheet. Mark with a deep cross and bake in the oven for approximately 30-40 minutes. Allow to cool on a wire rack.