Pound meat, cut into 12 two inch cubes, roll in flour paprika mixture (1 cup flour with 3 tsp paprika). Heat heavy skillet with 1/4 c Crisco and brown meat on all sides. Put meat in large 13 x 9 casserole, 3 pieces per row. Put drained onions and mushrooms over meat. Heat one can of soup in skillet with meat drippings, along with one can of liquid made up of reserved liquid from onions and mushrooms, add water to fill can to top. Heat to boiling and pour over the meat. Bake uncovered at 350 degrees for 45 minutes.
Biscuit Topping: Mix dry ingredients (2 c flour, 3 tsp baking powder, 1 Tbs poppy seeds, 1/2 tsp salt, 1 tsp poultry seasoning, 1 Tbs minced onion, 1 tsp celery seed). Cut in with pastry blender, 4 Tbs shortening until shortening is size of small peas or smaller. Mix well with 1 cup milk. Melt butter and place in a bowl, put bread crumbs in another bowl. Take about 2 Tbs biscuit, place in melted butter, then roll in bread crumbs, pat until they are about 1/2 inch thick and 3 inches in diameter. Place biscuits on top of meat.
Increase oven to 425 degrees, bake 20 minutes longer.
Sauce: Heat 1 can of cream of chicken soup with sour cream on low heat, stirring often until bubbly.