diff --git a/cookbook/src/lib.rs b/cookbook/src/lib.rs
index f95df84..30c1801 100644
--- a/cookbook/src/lib.rs
+++ b/cookbook/src/lib.rs
@@ -1,16 +1,7 @@
-mod meal;
+mod recipe;
 mod storage;
 mod importer;
 
-pub use self::meal::Meal;
-
-pub fn fetch_meals() -> Vec<Meal> {
-    vec![
-        Meal::new("Raclette".to_string(), 800),
-        Meal::new("Soupe".to_string(), 400),
-    ]
-}
-
 #[cfg(test)]
 mod tests {
     #[test]
diff --git a/cookbook/src/meal.rs b/cookbook/src/meal.rs
deleted file mode 100644
index 9e1c4da..0000000
--- a/cookbook/src/meal.rs
+++ /dev/null
@@ -1,31 +0,0 @@
-
-/// An individual ingredient
-pub struct Ingredient {
-    name: String,
-}
-
-impl Ingredient {
-
-    pub(super) fn new(name: String) -> Ingredient {
-        Ingredient { name }
-    }
-}
-
-/// An ordered set of dishes
-#[derive(Debug,Clone)]
-pub struct Meal {
-    name: String,
-    nutritional_value: i32,
-}
-
-impl Meal {
-    pub(super) fn new(name: String, nutritional_value: i32) -> Meal {
-        Meal { name, nutritional_value }
-    }
-
-    pub fn nutritional_value(&self) -> i32 {
-        self.nutritional_value
-    }
-}
-
-
diff --git a/cookbook/src/recipe.rs b/cookbook/src/recipe.rs
new file mode 100644
index 0000000..fb0cec9
--- /dev/null
+++ b/cookbook/src/recipe.rs
@@ -0,0 +1,55 @@
+
+/// Tag associated with ingredients
+pub enum FoodTag {
+    Viande,
+    Poisson,
+    Legume,
+}
+
+/// Categories for recipe, to organize them for navigation and planning
+pub enum RecipeCategory {
+    PetitDejeuner,
+    Entree,
+    Plat,
+    Dessert,
+}
+
+/// A collection of tags, to be improved
+type FoodTags = Vec<FoodTag>;
+
+/// Nutritionnal values per 100g, to be improved
+#[derive(Default)]
+struct NutritionnalValues;
+
+/// An individual ingredient
+#[derive(Default)]
+pub struct Ingredient {
+    /// All known alias of a same ingredient
+    alias: Vec<String>,
+    /// Nutrionnal values per 100g
+    nutrition: NutritionnalValues,
+    /// Associated tags to constraint planning
+    tags: FoodTags,
+}
+
+impl Ingredient {
+
+    /// Builds a brand new ingredient with given name as first alias
+    pub(super) fn new(name: String) -> Ingredient {
+        Ingredient {
+            alias: vec![name],
+            ..
+            Default::default()
+        }
+    }
+
+    /// Find an existing ingredient by alias
+    pub fn find(alias: &str) -> Option<Ingredient> {
+        None
+    }
+
+    /// Get the ingredient most common name
+    pub fn name(&self) -> &str {
+        self.alias.first().expect("Ingredient without any name !")
+    }
+}