diff --git a/MCTG/MCTGApp/MCTGApp.csproj b/MCTG/MCTGApp/MCTGApp.csproj
index f02677b..7517cf8 100644
--- a/MCTG/MCTGApp/MCTGApp.csproj
+++ b/MCTG/MCTGApp/MCTGApp.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
@@ -7,4 +7,8 @@
     <Nullable>enable</Nullable>
   </PropertyGroup>
 
+  <ItemGroup>
+    <ProjectReference Include="..\MCTGLib\MCTGLib.csproj" />
+  </ItemGroup>
+
 </Project>
diff --git a/MCTG/MCTGApp/Program.cs b/MCTG/MCTGApp/Program.cs
index 3751555..c45d82d 100644
--- a/MCTG/MCTGApp/Program.cs
+++ b/MCTG/MCTGApp/Program.cs
@@ -1,2 +1,32 @@
-// See https://aka.ms/new-console-template for more information
-Console.WriteLine("Hello, World!");
+using System;
+using MCTG.Model;
+
+
+namespace MCTG.Program;
+
+public static class Program
+{
+    public static void Main()
+    {
+        Console.WriteLine("Helle World!");
+
+        Recipe recipe = new Recipe(
+            1,
+            "Cookies aux pépites de chocolat",
+            new List<string>(new string[]{
+                "2 pommes",
+                "3L de vin",
+                "500g de farine"
+            }),
+              "Etape 1:\n"
+            + "\tCouper les pommes\n"
+            + "Etape 2:\n"
+            + "\tLes disposer sur le plat et mettre le vin dessus\n"
+            + "Etape 3:\n"
+            + "\tMettez toute la farine ensuite, puis 4h32 au four.\n"
+            + "\nDégustez c'est prêt !"
+        );
+
+        recipe.Display();
+    }
+}
\ No newline at end of file
diff --git a/MCTG/MCTGLib/Class1.cs b/MCTG/MCTGLib/Class1.cs
deleted file mode 100644
index 5b51184..0000000
--- a/MCTG/MCTGLib/Class1.cs
+++ /dev/null
@@ -1,7 +0,0 @@
-namespace MCTGLib
-{
-    public class Class1
-    {
-
-    }
-}
\ No newline at end of file
diff --git a/MCTG/MCTGLib/Recipe.cs b/MCTG/MCTGLib/Recipe.cs
new file mode 100644
index 0000000..b69d842
--- /dev/null
+++ b/MCTG/MCTGLib/Recipe.cs
@@ -0,0 +1,60 @@
+using System.Text;
+
+namespace MCTG.Model
+{
+    public class Recipe
+    {
+        public uint Id { get; set; }
+        public string Title { get; set; }
+        public List<string> Ingredients { get; set; }
+        public string Preparation { get; set; }
+
+        /// <summary>
+        /// Constructor of a Recipe.
+        /// </summary>
+        /// <param name="id">Identificator</param>
+        /// <param name="title">The name of the recipe</param>
+        /// <param name="ingredients">A list of ingredient needed by the preparation</param>
+        /// <param name="preparation">The text that explain the preparation of the recipe</param>
+        public Recipe(uint id, string title, List<string> ingredients, string preparation)
+        {
+            Id = id;
+            Title = title;
+            Ingredients = ingredients;
+            Preparation = preparation;
+        }
+
+        /// <summary>
+        /// Concatenate the list of ingredients in a single string
+        /// </summary>
+        /// <returns>The list of ingredients in string format</returns>
+        private string ConcatIngredients()
+        {
+            StringBuilder sb = new StringBuilder();
+            foreach (string str in Ingredients) sb.Append("\t- " + str + "\n");
+            
+            return sb.ToString();
+        }
+
+        /// <summary>
+        /// Build a string with all elements (title, ingredients, preparation, ...)
+        /// </summary>
+        /// <returns>A string that represent the recipe</returns>
+        public override string ToString()
+        {
+            return $"{Title} -- id:{Id}\n\n"
+                  + "List of ingredient:\n"
+                  + ConcatIngredients() + "\n\n"
+                  + "Preparation:\n"
+                  + $"{Preparation}\n";
+        }
+
+        /// <summary>
+        /// Display the recipe in the console
+        /// </summary>
+        public void Display()
+        {
+            Console.WriteLine(this.ToString());
+        }
+    }
+}
\ No newline at end of file