Brown Sugar Banana Pound Cake

1 pound light brown sugar
1 cup granulated sugar
1 pound butter
5 large eggs
2 large bananas, mashed
3 cups flour
1/2 tablespoon baking powder
1/2 tablespoon salt
1 cup milk
1 tablespoon vanilla extract
1 cup pecans, chopped

Heat oven to 350ºF. Grease well a 10-inch tube pan.

Cream brown and white sugars with butter until very light and fluffy. Add eggs, one at a time, beating well after each addition. Stir in mashed bananas. Sift flour with baking powder and salt. Mix milk and vanilla extract together. Add each to first mixture alternately. Stir in the pecans. Pour into prepared pan. Bake for 1 1/2 hours, or until firm. Place upside down on a cake rack; when cool, invert and turn out onto rack.