Ingredients
3 cups finely crushed buttery cracker crumbs (such as Ritz)
1 cup grated Parmesan cheese
1/2 cup butter, melted
3 pounds tomatoes, sliced into 1/4-inch thick rounds
1/2 teaspoon salt
1 cup mayonnaise
3/4 cup chopped scallions
1/2 teaspoon pepper
1 cup shredded cheddar cheese
1 cup shredded mozzarella cheese
Directions
