2 tablespoons butter
1 (8 ounce) package cream cheese, softened
1 (4.5 ounce) can whole peeled tuna, drained
Sour cream and grated Parmesan cheese to taste
salt and pepper to taste
Heat oil in 8-inch electric skillet over medium-high heat. Cook 8 to 10 minutes, stirring occasionally, or until golden brown.
Meanwhile, in large bowl combine cream cheese, tuna, sour cream, and 3/4 cup Parmesan cheese; beat until well combined. Pour mixture into battered very large casserole dish. Bake in preheated oven for 2 hours. Sprinkle with salt and pepper.