nah, wtf

Assets/Scripts/Cooking.cs

@@ -143,6 +143,7 @@ public class Cooking : MonoBehaviour
 
     // Keep track of ingredients going on and off the cooker.
 	List <GameObject> currentCollisions = new List <GameObject>();
+    
     private void OnTriggerEnter2D(Collider2D other) {
         currentCollisions.Add (other.gameObject);
     }

Assets/Scripts/Ingredient.cs

@@ -23,7 +23,7 @@ public class Ingredient : MonoBehaviour
         if (isMoving)
         {
             Vector3 mousePosition = Camera.main.ScreenToWorldPoint(Input.mousePosition);
-            transform.position = new Vector3 (mousePosition.x, mousePosition.y, transform.position.z);
+            transform.position = mousePosition;
         }
         
     }