diff --git a/src/models/recipe.rs b/src/models/recipe.rs
index ef95be6..2fd4bdd 100644
--- a/src/models/recipe.rs
+++ b/src/models/recipe.rs
@@ -1932,6 +1932,28 @@ pub struct MenuToppingList {
     // pub extra: std::collections::HashMap<String, Value>,
 }
 
+impl MenuToppingList {
+    pub fn to_single_line(&mut self) -> String {
+        format!(
+            "#__ListGroupID={:?},defaultIDSelect={},groupID={},isUse={}",
+            self.ListGroupID
+                .clone()
+                .unwrap_or_default()
+                .iter()
+                .map(|gid| gid.as_i64().unwrap().to_string())
+                .collect::<Vec<String>>(),
+            self.defaultIDSelect.as_i64().unwrap(),
+            self.groupID
+                .clone()
+                .unwrap_or_default()
+                .as_str()
+                .unwrap()
+                .to_string(),
+            self.isUse
+        )
+    }
+}
+
 /// The `Topping` struct represents a collection of topping groups and topping lists.
 ///
 /// Properties: