sugar: 1 cup， oil: 1/2 cup， egg: 2， banana: 2， yogurt: 1， flour: 1 1/2 cup， baking soda: 1 tsp， salt: 1/2 tsp
1Put 1 cup sugar, 1/2 cup oil, 2 eggs and stir
2Mash 2 ripe bananas
3Put mashed banana,1 yogurt, 1 tsp vanilla, 1 1/2 cup flour and mix them up
4Add 1 tsp baking soda and 1/2 tsp salt
5Heat oven to 350F，and then pour the mixture into oven pan, and bake for 1 hour
6When it is done, you need to cool it down.
7Cut it into slices, and enjoy!