diff --git a/source/recipes/devshell/nixpkg/flake.nix b/source/recipes/devshell/nixpkg/flake.nix
new file mode 100644
index 0000000..83db46c
--- /dev/null
+++ b/source/recipes/devshell/nixpkg/flake.nix
@@ -0,0 +1,20 @@
+{
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = { self, nixpkgs, flake-utils }:
+    flake-utils.lib.eachDefaultSystem (system:
+      let
+        pkgs = import nixpkgs { inherit system; };
+      in
+      {
+        devShells = rec {
+          default = pkgs.mkShell {
+            packages = [ pkgs.cowsay ];
+          };
+        };
+      }
+    );
+}
diff --git a/source/recipes/shebang/run-flake.sh b/source/recipes/shebang/run-flake.sh
new file mode 100755
index 0000000..244c406
--- /dev/null
+++ b/source/recipes/shebang/run-flake.sh
@@ -0,0 +1,3 @@
+#! /usr/bin/env nix
+#! nix shell git+https://codeberg.org/mhwombat/hello-flake --command bash
+hello-flake
diff --git a/source/recipes/shebang/run-nixpkg-old.sh b/source/recipes/shebang/run-nixpkg-old.sh
new file mode 100755
index 0000000..6e008be
--- /dev/null
+++ b/source/recipes/shebang/run-nixpkg-old.sh
@@ -0,0 +1,4 @@
+#! /usr/bin/env nix-shell
+#! nix-shell -i bash -p "[hello cowsay]"
+hello
+cowsay "Pretty cool, huh?"
diff --git a/source/recipes/shebang/run-nixpkg.sh b/source/recipes/shebang/run-nixpkg.sh
new file mode 100755
index 0000000..241867e
--- /dev/null
+++ b/source/recipes/shebang/run-nixpkg.sh
@@ -0,0 +1,4 @@
+#! /usr/bin/env nix
+#! nix shell nixpkgs#hello nixpkgs#cowsay --command bash
+hello
+cowsay "Pretty cool, huh?"
diff --git a/source/recipes/shebang/run-non-flake.sh b/source/recipes/shebang/run-non-flake.sh
new file mode 100755
index 0000000..244c406
--- /dev/null
+++ b/source/recipes/shebang/run-non-flake.sh
@@ -0,0 +1,3 @@
+#! /usr/bin/env nix
+#! nix shell git+https://codeberg.org/mhwombat/hello-flake --command bash
+hello-flake