Meatball Sliders Recipe

Name: Meatball Sliders Recipe
Ingredients: 1 pound ground beef; 1 egg; 1/4 cup bread crumbs; 2 tablespoons fresh parsley, chopped; 1/2 teaspoon coarse salt; 1/4 teaspoon freshly ground black pepper; 2 tablespoons olive oil; 1 large baguette, sliced lengthwise, then crosswise into 10 pieces; 1/2 pound fresh mozzarella, sliced to fit baguette pieces; 2 cups good quality tomato sauce; 1 cup Parmesan cheese, grated