1. Combine first 7 ingredients in a large bowl just until blended; place in a lightly greased 9- x 5-inch loaf pan.
2. Stir together ketchup, brown sugar, and yellow mustard; pour evenly over meatloaf.
3. Bake at 350° for 1 hour. Remove from oven; let stand 5 minutes, and remove from pan before slicing.
Note: Wrap meatloaf in plastic wrap and aluminum foil, and freeze up to 1 month. Thaw in refrigerator overnight.