ingredients 1/2 cup plus 2 tablespoons (packed) grated parmesan cheese (about 2 ounces) 1/4 cup plus 2 tablespoons mayonnaise 1/4 cup plus 2 tablespoons sour cream 1/2 teaspoon ground black pepper 1/2 teaspoon onion salt 1/2 teaspoon garlic powder pinch of salt 2 14-ounce can artichoke hearts packed in water, well drained, chopped into 1/4-inch pieces1/4 teaspoon paprika 1 cup italian cheese blend French-bread baguette slices, toasted