diff --git a/docs/format-changelog.rst b/docs/format-changelog.rst
index ae9c50c..15941cb 100644
--- a/docs/format-changelog.rst
+++ b/docs/format-changelog.rst
@@ -140,3 +140,5 @@ Added
 - The ``overrides`` top-level entry can be used to pin floating repo refspecs.
 - ``_source_dir`` top-level entry is auto-generated when using the menu plugin
   and provides the path to the top repo at time of invoking the plugin.
+- ``_source_dir_host`` top-level entry is auto-generated by kas-container to
+  track the source path outside of the container.
diff --git a/docs/userguide.rst b/docs/userguide.rst
index a7ab050..4bc87ae 100644
--- a/docs/userguide.rst
+++ b/docs/userguide.rst
@@ -538,3 +538,10 @@ Configuration reference
     This entry is auto-generated by the menu plugin and provides the path to
     the top repo at time of invoking the plugin. It must not be set
     manually and might only be defined in the top-level ``.config.yaml`` file.
+
+* ``_source_dir_host``:: string [optional]
+    This entry is auto-generated by the menu plugin when invoking kas via
+    the ``kas-container`` script. It provides the absolute path to the top repo
+    outside of the container (on the host). This value is only evaluated by the
+    ``kas-container`` script. It must not be set manually and might only be
+    defined in the top-level ``.config.yaml`` file.
diff --git a/kas-container b/kas-container
index 99b6d7d..0d22651 100755
--- a/kas-container
+++ b/kas-container
@@ -373,11 +373,28 @@ else
 	KAS_REPO_DIR=$(pwd)
 fi
 
+SOURCE_DIR_HOST=$(
+	grep -e "^_source_dir_host: " "${KAS_WORK_DIR}/.config.yaml" 2>/dev/null | \
+	sed 's/_source_dir_host:[ ]\+//')
+if [ -n "${SOURCE_DIR_HOST}" ]; then
+	KAS_REPO_DIR="${SOURCE_DIR_HOST}"
+fi
+
 if [ "${KAS_CMD}" = "menu" ]; then
 	if [ -z "${KAS_FIRST_FILE}" ]; then
 		KAS_FIRST_FILE="Kconfig"
 	fi
 
+	# When using the menu plugin, we need to track the KAS_REPO_DIR outside
+	# of the container to later allow a simple `kas-container build`. For
+	# that, we tell the kas menu plugin via an env-var about the location
+	# on the host. This data is then added to the .config.yaml where it can
+	# be evaluated by the next invocation of kas-container.
+
+	if ! [ "$(realpath -qe "${KAS_REPO_DIR}")" = "$(realpath -qe "${KAS_WORK_DIR}")" ]; then
+		set -- "$@" -e _KAS_REPO_DIR_HOST="$(readlink -fv "${KAS_REPO_DIR}")"
+	fi
+
 	BUILD_SYSTEM=$(tr '\n' '\f' 2>/dev/null < ${KAS_FIRST_FILE} | \
 		sed -e 's/\(.*\fconfig KAS_BUILD_SYSTEM\f\(.*\)\|.*\)/\2/' \
 		    -e 's/\f\([[:alpha:]].*\|$\)//' \
diff --git a/kas/includehandler.py b/kas/includehandler.py
index f84d62a..aa4ef38 100644
--- a/kas/includehandler.py
+++ b/kas/includehandler.py
@@ -42,6 +42,7 @@ __license__ = 'MIT'
 __copyright__ = 'Copyright (c) Siemens AG, 2017-2021'
 
 SOURCE_DIR_OVERRIDE_KEY = '_source_dir'
+SOURCE_DIR_HOST_OVERRIDE_KEY = '_source_dir_host'
 
 
 class LoadConfigException(KasUserError):
diff --git a/kas/plugins/menu.py b/kas/plugins/menu.py
index e325bc8..07bfe4e 100644
--- a/kas/plugins/menu.py
+++ b/kas/plugins/menu.py
@@ -77,7 +77,7 @@ from kas.context import create_global_context
 from kas.config import CONFIG_YAML_FILE
 from kas.repos import Repo
 from kas.includehandler import load_config as load_config_yaml, \
-    SOURCE_DIR_OVERRIDE_KEY
+    SOURCE_DIR_OVERRIDE_KEY, SOURCE_DIR_HOST_OVERRIDE_KEY
 from kas.plugins.build import Build
 from kas.kasusererror import KasUserError
 
@@ -91,7 +91,9 @@ except ImportError:
 __license__ = 'MIT'
 __copyright__ = \
     'Copyright (c) 2011-2019, Ulf Magnusson <ulfalizer@gmail.com>\n' \
-    'Copyright (c) Siemens AG, 2021'
+    'Copyright (c) Siemens AG, 2021-2023'
+
+SOURCE_DIR_HOST_ENV_KEY = '_KAS_REPO_DIR_HOST'
 
 
 class VariableTypeError(KasUserError):
@@ -219,6 +221,10 @@ class Menu:
             'menu_configuration': menu_configuration,
             SOURCE_DIR_OVERRIDE_KEY: top_repo_dir
         }
+
+        if SOURCE_DIR_HOST_ENV_KEY in os.environ:
+            config[SOURCE_DIR_HOST_OVERRIDE_KEY] = \
+                os.environ[SOURCE_DIR_HOST_ENV_KEY]
         if kas_build_system:
             config['build_system'] = kas_build_system
         if len(kas_targets) > 0:
diff --git a/kas/schema-kas.json b/kas/schema-kas.json
index 688a1f4..8f8f858 100644
--- a/kas/schema-kas.json
+++ b/kas/schema-kas.json
@@ -272,6 +272,9 @@
         },
         "_source_dir": {
             "type": "string"
+        },
+        "_source_dir_host": {
+            "type": "string"
         }
     }
 }