Shannon's Banana Bread

1/3 c. shortening
3/4 c. sugar
1 beaten egg
1 1/2 c. flour
2 tsp. baking powder
1/2 tsp. salt
1/2 tsp. baking soda
3/4 c. chopped nuts (optional)
2 C. mashed bananas
2 T. water
1 tsp. vanilla

Combine all the ingredients and bake for one hour at 350 degrees.