In Step 2, reduce flour to 1 cup, and add 3/4 cup yellow cornmeal.
Bran-RaisinIn Step 2, reduce flour to 1 1/2 cups, and add 1 cup bran and 1 teaspoon ground cinnamon; replace butter with 3/4 cup vegetable oil (such as safflower). At the end of Step 2, fold 3/4 cup raisins into batter.
Chocolate-Chip At the end of Step 2, fold 1 1/2 cups semisweet chocolate chips into batter.
BlueberryAt the end of Step 2, fold 1 1/2 cups blueberries (fresh or frozen) into batter.
Cherry-Pecan At the end of Step 2, fold 3/4 cup chopped pecans and 3/4 cup dried cherries into batter.