You can cook

Assets/Scripts/CookButton.cs

@@ -1,8 +1,14 @@
 using System.Collections;
 using System.Collections.Generic;
+using Unity.VisualScripting;
 using UnityEngine;
 
 public class CookButton : MonoBehaviour
 {
+    public GameObject Button;
 
+    void OnMouseUp() {
+        Debug.Log("L");
+        Button.GetComponentInParent<Cooking>().CreateDish();
+    }
 }

Assets/Scripts/Cooking.cs

@@ -16,14 +16,21 @@ public class Cooking : MonoBehaviour
 
     public Vector3 FinishedDishPosition;
 
-    void CreateDish() {
+    public void CreateDish() {
         List <GameObject> Ingredients = GetIngredients();
 
         List <GameObject> AllDishes = new List <GameObject>();
 
         // Find all dishes ingredients can make
 
+        if (Ingredients.Count < 1) {
+            return;
+        }
+
         foreach (GameObject Ingredient in Ingredients) {
+
+            Debug.Log(Ingredient.name);
+
             List <GameObject> Dishes = Ingredient.GetComponent<Ingredient>().IngredientIn;
 
             foreach (GameObject Dish in Dishes) {
@@ -76,8 +83,22 @@ public class Cooking : MonoBehaviour
             }
         }
 
-        // Remove ingredients and add the dish
+        // Find used ingredients
+        List <GameObject> IngredientsInDish = BestDish.GetComponent<Dish>().RequiredIngredients;
+        List <GameObject> UsedIngredients = new();
+        List <GameObject> UnusedIngredients = new();
+
         foreach (GameObject Ingredient in Ingredients) {
+            if (IngredientsInDish.Contains(Ingredient)) {
+                UsedIngredients.Add(Ingredient);
+            }
+            else {
+                UnusedIngredients.Add(Ingredient);
+            }
+        }
+
+        // Remove ingredients and add the dish
+        foreach (GameObject Ingredient in UsedIngredients) {
             Transform transform = Ingredient.GetComponent<Ingredient>().transform;
             transform.position = Vector3.up * 50;
         }
@@ -91,14 +112,20 @@ public class Cooking : MonoBehaviour
 	List <GameObject> currentCollisions = new List <GameObject>();
     private void OnTriggerEnter2D(Collider2D other) {
         currentCollisions.Add (other.gameObject);
-        CreateDish();
     }
     private void OnTriggerExit2D(Collider2D other) {
         currentCollisions.Remove (other.gameObject);
     }
     List <GameObject> GetIngredients()
     {
-        return currentCollisions;
+        List <GameObject> Ingredients = new List <GameObject>();
+
+        foreach (GameObject collision in currentCollisions) {
+            if (collision.tag == "Ingredient") {
+                Ingredients.Add(collision);
+            }
+        }
+        return Ingredients;
     }