Heat oven to 350 degrees. Grease bottom of 8 x 4 or 9 x 5 loaf pan. In large bowl, combine flour and dry mustard. In small bowl, combine the milk, eggs and butter; mix well. Add to flour mixture; blend well. Stir in 1 cup cheese. Spoon batter into greased pan. Sprinkle with 1/4 cup cheese. Dot with 1 tablespoon butter. Bake for 50 to 55 minutes or until toothpick inserted in center comes out clean. Cool in pan 10 minutes; remove from pan. Cool completely. Wrap tightly and store in refrigerator. Yield: 1 (16 slice) loaf