Grama Ethel'S Parmesan Cheese Rounds
["1/2 c. Parmesan cheese", "1 Tbsp. mayonnaise", "1 Tbsp. finely chopped white or yellow onion"]
["Mix ingredients together to make a spreadable paste.", "Add more cheese if too moist or a little mayonnaise if too dry.", "Spread on lightly mayonnaised bread, cut into triangles or rounds.", "Broil until brown and bubbly."]
["Parmesan cheese", "mayonnaise", "white"]