Crowd-Pleasing Tater-Tot Casserole
1 lb. bulk hot Italian sausage, or your favorite1 lb. lean ground beef or pork1 c. chopped onion2 (10 ½-oz.) cans condensed cream of celery soup2 c. frozen cut green beans, thawed1 (15 ¼-oz.) can whole kernel corn, drained (I…