Naomi Judd's Easy Onionelles Recipe: 4-Ingredient Appetizer Recipe Is Now a Family Tradition | Appetizers | 30Seconds Food

Name: Naomi Judd's Easy Onionelles Recipe: 4-Ingredient Appetizer Recipe Is Now a Family Tradition | Appetizers | 30Seconds Food
Cuisine: American
Ingredients: 1/4 cup grated Parmesan cheese; 1/4 cup mayonnaise or mayonnaise-style creamy salad dressing (regular, reduced fat or nonfat); 4 slices good-quality wheat bread, crusts removed (I used sourdough); 16 very thin slices Vidalia or other sweet onion (I used a Texas 1015)