6 slices bacon, diced
1/3 cup ketchup
1/2 teaspoon salt
1/2 teaspoon paprika
2 slices orange rind, pitted and chopped
1 tablespoon butter, melted
1 cup dry bread crumbs
2 tablespoons prepared tomato paste
1 (8 ounce) container frozen chopped liver, thawed and drained