Heat oven to 350°F. Grease bottom only of 9x5 or 8x4-inch loaf pan. In medium bowl, combine flour, cheese, sugar, baking powder, baking soda, salt and pepper; mix well.
In small bowl, combine buttermilk, margarine and eggs; blend well. Add to flour mixture; stir just until dry ingredients are moistened. Pour into greased pan.
Bake at 350°F. for 35 to 45 minutes or until toothpick inserted in center comes out clean. Cool 15 minutes; remove from pan. Serve warm or cool completely on wire rack. Wrap tightly and store in refrigerator.