|Mayonnaise||1⁄2 Cup (8 tbs)|
|Grated parmesan cheese||1⁄2 Cup (8 tbs)|
|Grated yellow onion||2 Tablespoon|
|Dijon mustard/Prepared spicy brown mustard||2 Teaspoon|
|Rye bread slice||4|
1. Preheat the broiler. Combine the mayonnaise, cheese, onion, and mustard.
2. Place the bread in a shallow baking pan and toast one side lightly under the broiler. Spread the cheese mixture over the untoasted sides, then cut each slice into 4 triangles or squares.
3. Broil 6 inches from the heat for 2 minutes, or until the cheese spread is golden brown and slightly puffed. Serve immediately.