Combine all ingredients except grapes; mix well. 

Gently mix in grapes. 

Oil and flour the bottoms of four 5 X 2-1/2 X 2-1/4-inch loaf pans.

  Pour one-fourth of batter into each pan. Bake at 350° F for 40 to 45 minutes or until wooden pick inserted near center comes out clean. Cool 5 minutes. 

 Turn out onto wire rack and cool completely before slicing.

 Notes:

Make ahead, wrap in aluminum foil, freeze and give as gifts during the holidays.Batter may be baked in two 8 1/2 X 4 1/2 X 2 1/2 inch loaf pans. Bake at 350° F for 50 to 55 minutes or until wooden pick inserted near center comes out clean. Cool completely per directions above. Each loaf will yield about 16 (1/2 inch) slices.Bread may be tightly wrapped and refrigerated up to one week. For longer storage, wrap in aluminum foil or in freezer-safe plastic bags and freeze.