Combine first 9 ingredients; shape into two 7 1/2x4" loaves. Place on a lightly greased rack of a broiler pan; bake at 350 deg for 40 min. Combine 1/2 c catsup, 1 T horseradish & remaining ingredients; spoon over meatloaf & bake an additional 5 min. Yields 2 loaves. Note May freeze the second loaf.