diff --git a/e2e/tasks/test_task_run_tmpl b/e2e/tasks/test_task_run_tmpl
new file mode 100644
index 0000000000..10a707b516
--- /dev/null
+++ b/e2e/tasks/test_task_run_tmpl
@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+
+cat <<EOF >mise.toml
+env.BAR = "bar"
+tasks.a = "echo {{ env.BAR }}"
+EOF
+assert "mise run a" "bar"
+
+cat <<EOF >mise.toml
+env.BAR = "a"
+tasks.a = "echo a"
+tasks.b.depends = ["{{ env.BAR }}"]
+EOF
+assert "mise run b" "a"
diff --git a/src/cli/direnv/envrc.rs b/src/cli/direnv/envrc.rs
index 38a5f41dbf..b355590d4c 100644
--- a/src/cli/direnv/envrc.rs
+++ b/src/cli/direnv/envrc.rs
@@ -48,7 +48,7 @@ impl Envrc {
                 )?;
             }
         }
-        for path in ts.list_final_paths(config, env_results)?.into_iter().rev() {
+        for path in ts.list_final_paths(config, env_results)?.iter().rev() {
             writeln!(file, "PATH_add {}", path.to_string_lossy())?;
         }
 
diff --git a/src/cli/doctor/path.rs b/src/cli/doctor/path.rs
index 24f4166302..8e27b36244 100644
--- a/src/cli/doctor/path.rs
+++ b/src/cli/doctor/path.rs
@@ -21,7 +21,7 @@ impl Path {
             env::split_paths(&path).collect()
         } else {
             let (_env, env_results) = ts.final_env(&config)?;
-            ts.list_final_paths(&config, env_results)?
+            ts.list_final_paths(&config, env_results)?.clone()
         };
         for path in paths {
             println!("{}", path.display());
diff --git a/src/cli/env.rs b/src/cli/env.rs
index 72c20ec536..564f5f81e6 100644
--- a/src/cli/env.rs
+++ b/src/cli/env.rs
@@ -125,7 +125,8 @@ impl Env {
     }
 
     fn output_dotenv(&self, config: &Config, ts: Toolset) -> Result<()> {
-        for (k, v) in ts.final_env(config)?.0 {
+        let (env, _) = ts.final_env(config)?;
+        for (k, v) in env {
             let k = k.to_string();
             let v = v.to_string();
             miseprint!("{}={}\n", k, v)?;
diff --git a/src/cli/exec.rs b/src/cli/exec.rs
index 879897fa91..b252c0084c 100644
--- a/src/cli/exec.rs
+++ b/src/cli/exec.rs
@@ -82,7 +82,7 @@ impl Exec {
         });
 
         let (program, mut args) = parse_command(&env::SHELL, &self.command, &self.c);
-        let env = measure!("env_with_path", { ts.env_with_path(&config)? });
+        let env = measure!("env_with_path", { ts.env_with_path(&config)?.clone() });
 
         if program.rsplit('/').next() == Some("fish") {
             let mut cmd = vec![];
@@ -94,7 +94,7 @@ impl Exec {
                 ));
             }
             // TODO: env is being calculated twice with final_env and env_with_path
-            let env_results = ts.final_env(&config)?.1;
+            let (_, env_results) = ts.final_env(&config)?;
             for p in ts.list_final_paths(&config, env_results)? {
                 cmd.push(format!(
                     "fish_add_path -gm {}",
diff --git a/src/config/env_directive/mod.rs b/src/config/env_directive/mod.rs
index 45d7de11d4..19d595ed58 100644
--- a/src/config/env_directive/mod.rs
+++ b/src/config/env_directive/mod.rs
@@ -108,7 +108,7 @@ impl Display for EnvDirective {
     }
 }
 
-#[derive(Default)]
+#[derive(Default, Clone)]
 pub struct EnvResults {
     pub env: IndexMap<String, (String, PathBuf)>,
     pub env_remove: BTreeSet<String>,
diff --git a/src/config/mod.rs b/src/config/mod.rs
index aaa732ecb5..7ca18e833e 100644
--- a/src/config/mod.rs
+++ b/src/config/mod.rs
@@ -1,7 +1,8 @@
 use eyre::{bail, eyre, Context, Result};
 use indexmap::{IndexMap, IndexSet};
 use itertools::Itertools;
-use once_cell::sync::OnceCell;
+use std::sync::LazyLock as Lazy;
+use once_cell::sync::{OnceCell};
 use rayon::prelude::*;
 pub use settings::Settings;
 use std::collections::{BTreeMap, BTreeSet, HashMap};
@@ -9,7 +10,6 @@ use std::fmt::{Debug, Formatter};
 use std::iter::once;
 use std::ops::Deref;
 use std::path::{Path, PathBuf};
-use std::sync::LazyLock as Lazy;
 use std::sync::{Arc, Mutex, OnceLock, RwLock};
 use std::time::Duration;
 use walkdir::WalkDir;
diff --git a/src/task/mod.rs b/src/task/mod.rs
index b9050b8470..0bac7ac698 100644
--- a/src/task/mod.rs
+++ b/src/task/mod.rs
@@ -23,6 +23,7 @@ use std::path::{Path, PathBuf};
 use std::sync::Arc;
 use std::sync::LazyLock as Lazy;
 use std::{ffi, fmt, path};
+use once_cell::sync::OnceCell;
 use xx::regex;
 
 mod deps;
@@ -97,6 +98,9 @@ pub struct Task {
     // file type
     #[serde(default)]
     pub file: Option<PathBuf>,
+
+    #[serde(skip)]
+    pub tera_ctx: OnceCell<tera::Context>,
 }
 
 #[derive(Clone, PartialEq, Eq, Deserialize, Serialize)]
@@ -382,9 +386,8 @@ impl Task {
         }) {
             let config_root = self.config_root.clone().unwrap_or_default();
             let mut tera = get_tera(Some(&config_root));
-            let mut tera_ctx = config.tera_ctx.clone();
-            tera_ctx.insert("config_root", &config_root);
-            let dir = tera.render_str(&dir, &tera_ctx)?;
+            let tera_ctx = self.tera_ctx()?;
+            let dir = tera.render_str(&dir, tera_ctx)?;
             let dir = file::replace_path(&dir);
             if dir.is_absolute() {
                 Ok(Some(dir.to_path_buf()))
@@ -398,6 +401,16 @@ impl Task {
         }
     }
 
+    pub fn tera_ctx(&self) -> Result<&tera::Context> {
+        self.tera_ctx.get_or_try_init(|| {
+            let config = Config::get();
+            let ts = config.get_toolset()?;
+            let mut tera_ctx = ts.tera_ctx()?.clone();
+            tera_ctx.insert("config_root", &self.config_root);
+            Ok(tera_ctx)
+        })
+    }
+
     pub fn cf<'a>(&self, config: &'a Config) -> Option<&'a Box<dyn ConfigFile>> {
         config.config_files.get(&self.config_source)
     }
@@ -418,10 +431,8 @@ impl Task {
     }
 
     pub fn render(&mut self, config_root: &Path) -> Result<()> {
-        let config = Config::get();
         let mut tera = get_tera(Some(config_root));
-        let mut tera_ctx = config.tera_ctx.clone();
-        tera_ctx.insert("config_root", &config_root);
+        let tera_ctx = self.tera_ctx()?.clone();
         for a in &mut self.aliases {
             *a = tera.render_str(a, &tera_ctx)?;
         }
@@ -431,22 +442,13 @@ impl Task {
         }
         self.outputs.render(&mut tera, &tera_ctx)?;
         for d in &mut self.depends {
-            d.task = tera.render_str(&d.task, &tera_ctx)?;
-            for a in &mut d.args {
-                *a = tera.render_str(a, &tera_ctx)?;
-            }
+            d.render(&mut tera, &tera_ctx)?;
         }
         for d in &mut self.depends_post {
-            d.task = tera.render_str(&d.task, &tera_ctx)?;
-            for a in &mut d.args {
-                *a = tera.render_str(a, &tera_ctx)?;
-            }
+            d.render(&mut tera, &tera_ctx)?;
         }
         for d in &mut self.wait_for {
-            d.task = tera.render_str(&d.task, &tera_ctx)?;
-            for a in &mut d.args {
-                *a = tera.render_str(a, &tera_ctx)?;
-            }
+            d.render(&mut tera, &tera_ctx)?;
         }
         for v in self.env.values_mut() {
             if let EitherStringOrIntOrBool(Either::Left(s)) = v {
@@ -527,6 +529,7 @@ impl Default for Task {
             file: None,
             quiet: false,
             tools: Default::default(),
+            tera_ctx: Default::default(),
         }
     }
 }
diff --git a/src/task/task_dep.rs b/src/task/task_dep.rs
index 4175fd40e4..21aa48823d 100644
--- a/src/task/task_dep.rs
+++ b/src/task/task_dep.rs
@@ -1,5 +1,4 @@
 use crate::config::config_file::toml::deserialize_arr;
-use itertools::Itertools;
 use serde::ser::SerializeSeq;
 use serde::{Deserialize, Deserializer, Serialize};
 use std::fmt;
@@ -12,6 +11,24 @@ pub struct TaskDep {
     pub args: Vec<String>,
 }
 
+impl TaskDep {
+    pub fn render(&mut self, tera: &mut tera::Tera, tera_ctx: &tera::Context) -> crate::Result<&mut Self> {
+        self.task = tera.render_str(&self.task, tera_ctx)?;
+        for a in &mut self.args {
+            *a = tera.render_str(a, tera_ctx)?;
+        }
+        if self.args.is_empty() {
+            let s = self.task.clone();
+            let mut split = s.split_whitespace().map(|s| s.to_string());
+            if let Some(task) = split.next() {
+                self.task = task;
+            }
+            self.args = split.collect();
+        }
+        Ok(self)
+    }
+}
+
 impl Display for TaskDep {
     fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
         write!(f, "{}", self.task)?;
@@ -32,13 +49,9 @@ impl FromStr for TaskDep {
     type Err = String;
 
     fn from_str(s: &str) -> Result<Self, Self::Err> {
-        let parts = s.split_whitespace().collect_vec();
-        if parts.is_empty() {
-            return Err("Task name is required".to_string());
-        }
         Ok(Self {
-            task: parts[0].to_string(),
-            args: parts[1..].iter().map(|s| s.to_string()).collect(),
+            task: s.to_string(),
+            args: Default::default(),
         })
     }
 }
diff --git a/src/task/task_script_parser.rs b/src/task/task_script_parser.rs
index 7ace87b08d..ccb27bf553 100644
--- a/src/task/task_script_parser.rs
+++ b/src/task/task_script_parser.rs
@@ -273,7 +273,9 @@ impl TaskScriptParser {
             }
         });
         let config = Config::get();
-        let mut ctx = config.tera_ctx.clone();
+        // TODO: this won't have paths if they're added to the task directly
+        let ts = config.get_toolset()?;
+        let mut ctx = ts.tera_ctx()?.clone();
         ctx.insert("config_root", config_root);
         let scripts = scripts
             .iter()
diff --git a/src/toolset/mod.rs b/src/toolset/mod.rs
index db925d766a..784f513c84 100644
--- a/src/toolset/mod.rs
+++ b/src/toolset/mod.rs
@@ -23,6 +23,7 @@ use console::truncate_str;
 use eyre::{eyre, Result, WrapErr};
 use indexmap::{IndexMap, IndexSet};
 use itertools::Itertools;
+use once_cell::sync::OnceCell;
 pub use outdated_info::is_outdated_version;
 use outdated_info::OutdatedInfo;
 use rayon::prelude::*;
@@ -108,6 +109,7 @@ impl Default for InstallOptions {
 pub struct Toolset {
     pub versions: IndexMap<BackendArg, ToolVersionList>,
     pub source: Option<ToolSource>,
+    tera_ctx: OnceCell<tera::Context>,
 }
 
 impl Toolset {
@@ -463,7 +465,7 @@ impl Toolset {
     /// returns env_with_path but also with the existing env vars from the system
     pub fn full_env(&self) -> Result<EnvMap> {
         let mut env = env::PRISTINE_ENV.clone().into_iter().collect::<EnvMap>();
-        env.extend(self.env_with_path(&Config::get())?);
+        env.extend(self.env_with_path(&Config::get())?.clone());
         Ok(env)
     }
     /// the full mise environment including all tool paths
@@ -471,7 +473,7 @@ impl Toolset {
         let (mut env, env_results) = self.final_env(config)?;
         let mut path_env = PathEnv::from_iter(env::PATH.clone());
         for p in self.list_final_paths(config, env_results)? {
-            path_env.add(p);
+            path_env.add(p.clone());
         }
         env.insert(PATH_KEY.to_string(), path_env.to_string());
         Ok(env)
@@ -585,6 +587,15 @@ impl Toolset {
         let paths = env_results.env_paths.into_iter().chain(paths).collect();
         Ok(paths)
     }
+    pub fn tera_ctx(&self) -> Result<&tera::Context> {
+        self.tera_ctx.get_or_try_init(|| {
+            let config = Config::get();
+            let env = self.env_with_path(&config).unwrap();
+            let mut ctx = config.tera_ctx.clone();
+            ctx.insert("env", &env);
+            Ok(ctx)
+        })
+    }
     pub fn which(&self, bin_name: &str) -> Option<(Arc<dyn Backend>, ToolVersion)> {
         self.list_current_installed_versions()
             .into_par_iter()