Sweet Onion Old Bay Spiced Chicken Gruyere Meatloaf 1 large sweet onion, roughly chopped2 Tbs. buttersea salt and pepper1 Tbs. Old Bay Seasoning1 lb. ground chicken1 lb. ground pork3 cups grated Gruyere cheese, divided3 large eggs1/3 cup breadcrumbs1 Tbs. mayonnaise1 Tbs. mustardchopped parsley In a large pot, melt the butter over low heat.Add the onion…