The most likely reason your muffins didn't rise is that your baking powder & baking soda are too old. When baking these muffins, be sure to fill the muffin pan about ⅓ of the way to the top and set the oven to a high temperature. Make sure your baking powder & baking soda are freshly opened. The fresh combination of the two rising agents and the high heat will force the muffins to rise more quickly, creating air pockets that make them tall muffins.