Whole Wheat Peanut Butter-Banana Bread Ingredients 1 cup whole wheat pastry flour ( My friend used spelt flour) 3/4 cup light brown sugar or 3/4 cup raw sugar (best to use unrefined sugar) 1 teaspoon baking powder 1/2 teaspoon baking soda 1/4 teaspoon salt 2 medium bananas, mashed (very ripe) 1/3 cup unsweetened crunchy peanut