500 grams self raising flower = (17 ounces) 2 and a half cups of flower.
1 med sized onion cut squared small. (if you like add some garlic)
25 grams butter to fry an on ion = about 2 table spoons
1 bottle beer 330ml = 11 ounce
peper = 1 tea spoon
salt = for extra taste
mix well all above
put in baking pan.

Melt 25 grams butter- pour over mixture while baking pan.
Bake around 40 minutes at 180C

Not bad but I think maybe less butter..