diff --git a/src/lib.rs b/src/lib.rs
index b62711e..d50fa59 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,5 +1,7 @@
 mod recipe;
 mod skeleton;
 
-pub use recipe::{CommandArg, CookArgs, DefaultFeatures, OptimisationProfile, Recipe, TargetArgs};
+pub use recipe::{
+    AllFeatures, CommandArg, CookArgs, DefaultFeatures, OptimisationProfile, Recipe, TargetArgs,
+};
 pub use skeleton::*;
diff --git a/src/main.rs b/src/main.rs
index 4149d1b..10a1d89 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,5 +1,7 @@
 use anyhow::{anyhow, Context};
-use chef::{CommandArg, CookArgs, DefaultFeatures, OptimisationProfile, Recipe, TargetArgs};
+use chef::{
+    AllFeatures, CommandArg, CookArgs, DefaultFeatures, OptimisationProfile, Recipe, TargetArgs,
+};
 use clap::crate_version;
 use clap::Parser;
 use fs_err as fs;
@@ -87,6 +89,9 @@ pub struct Cook {
     /// Do not activate the `default` feature.
     #[clap(long)]
     no_default_features: bool,
+    /// Enable all features.
+    #[clap(long)]
+    all_features: bool,
     /// Space or comma separated list of features to activate.
     #[clap(long, value_delimiter = ',')]
     features: Option<Vec<String>>,
@@ -152,6 +157,7 @@ fn _main() -> Result<(), anyhow::Error> {
             clippy,
             target,
             no_default_features,
+            all_features,
             features,
             unstable_features,
             target_dir,
@@ -227,6 +233,12 @@ fn _main() -> Result<(), anyhow::Error> {
                 DefaultFeatures::Enabled
             };
 
+            let all_features = if all_features {
+                AllFeatures::Enabled
+            } else {
+                AllFeatures::Disabled
+            };
+
             let serialized = fs::read_to_string(recipe_path)
                 .context("Failed to read recipe from the specified path.")?;
             let recipe: Recipe =
@@ -242,6 +254,7 @@ fn _main() -> Result<(), anyhow::Error> {
                     profile,
                     command,
                     default_features,
+                    all_features,
                     features,
                     unstable_features,
                     target,
diff --git a/src/recipe.rs b/src/recipe.rs
index fe5e156..54e4b73 100644
--- a/src/recipe.rs
+++ b/src/recipe.rs
@@ -28,6 +28,7 @@ pub struct CookArgs {
     pub profile: OptimisationProfile,
     pub command: CommandArg,
     pub default_features: DefaultFeatures,
+    pub all_features: AllFeatures,
     pub features: Option<HashSet<String>>,
     pub unstable_features: Option<HashSet<String>>,
     pub target: Option<Vec<String>>,
@@ -78,11 +79,18 @@ pub enum DefaultFeatures {
     Disabled,
 }
 
+#[derive(Debug, Clone, Copy, Eq, PartialEq)]
+pub enum AllFeatures {
+    Enabled,
+    Disabled,
+}
+
 fn build_dependencies(args: &CookArgs) {
     let CookArgs {
         profile,
         command: command_arg,
         default_features,
+        all_features,
         features,
         unstable_features,
         target,
@@ -116,6 +124,9 @@ fn build_dependencies(args: &CookArgs) {
         let feature_flag = features.iter().cloned().collect::<Vec<String>>().join(",");
         command_with_args.arg("--features").arg(feature_flag);
     }
+    if all_features == &AllFeatures::Enabled {
+        command_with_args.arg("--all-features");
+    }
     if let Some(unstable_features) = unstable_features {
         for unstable_feature in unstable_features.iter().cloned() {
             command_with_args.arg("-Z").arg(unstable_feature);