Well, they came out small and hard but the dancers loved them! I cut the recipe in half and converted it to US measurements (and added currants):
Soul Cakes

4 c. flour
1 stick butter
½ cup sugar
1 Tbs yeast
1 egg
1 tsp allspice
¾ cup milk
½ c currants

Froth yeast in 1 Tbs milk, 1 T sugar

Mix flour, butter, sugar (minus 1 T.)

Mix yeast mixture with egg, milk & allspice, add to flour mixture. Fold in currants, knead to mix. Set to rise.

Make into “rather flat bunsâ€쳌, rise again for 30 min.

Bake on greased baking sheet at 400F for 5 min., lower to 350F for 10-15 min.

As requested, here are some links for other recipes:
From National Public Radio some interesting info as well as yeast-less recipe.
Several recipes from a Pagan site
Another Pagan source that looked interesting- it used cider vinegar!
Google "soul cake recipes" and find lots more!