In the Australian bush in the 19th century people had to improvise. The Billy Can is a tin, with handles, usually used to carry water.

Ingredients:
1/2 cup of sultanas
1/2 cup of raisins
1 cup of sugar
1/2 teaspoon of mixed spice and cinnamon
2 cups of flour
2 tablespoons Grainfields powder
1 teaspoon of bicarbonate of soda

Directions:
Combine all ingredients. Mix well with 500 mls of boiling tea. Empty into a greased and floured billy can. Cover, and let it stand overnight. Steam for 3 1/2 hours.