Mix meatloaf ingredients. Melt butter ... onions. Add cubed bread crumbs. Stuffing mixture should be ... because fat from meat will add moisture. Layer meat ... hour and 15 minutes.
Mix together. In another bowl, mix: 1 c. dried bread crumbs 2 pkg. frozen spinach, ... the center of meat mixture. Seal all edges by ... degrees for 45-60 minutes.