Whole Wheat Banana Bread

Ingredients:
1/2 cup  butter
3/4 cup white sugar
1 1/2 cups whole wheat flour
1 tsp baking soda
1tsp baking powder
1 tsp salt
3 very ripe mashed bananas
2 tsp vanilla essence
½ cup milk
Chopped  walnuts (optional)
Method:
Preheat oven to 350 degrees F (165 degrees C). Lightly grease an 8x4 inch loaf pan. (This can be made in any size pan or muffin tins just adjust the baking time)
In a large bowl, cream the butter and sugar and add vanilla essence.
Sift in the flour, baking soda, baking powder and salt.
Blend in the mashed bananas. Stir in the chopped walnuts.
Add extra milk if the batter is too thick.
Pour batter into the greased loaf pan.
Bake in preheated oven for 60 minutes, or until the toothpick comes out clean.