diff --git a/Analysis/HistTupleProducer.py b/Analysis/HistTupleProducer.py
index e7c61b2a..be290854 100644
--- a/Analysis/HistTupleProducer.py
+++ b/Analysis/HistTupleProducer.py
@@ -81,10 +81,8 @@ def createHistTuple(
     histTupleDef.analysis_setup(setup)
     isData = dataset_name == "data"
 
-    if type(setup.global_params["variables"]) == list:
-        variables = setup.global_params["variables"]
-    elif type(setup.global_params["variables"]) == dict:
-        variables = setup.global_params["variables"].keys()
+    binned_variables = setup.histTuple_plot_vars
+    fullres_variables = setup.histTuple_fullres_vars
 
     norm_uncertainties = set()
     if setup.global_params["compute_rel_weights"]:
@@ -97,7 +95,7 @@ def createHistTuple(
 
     print("Defining binnings for variables")
     flatten_vars = set()
-    for var in variables:
+    for var in binned_variables:
         if isinstance(var, dict) and "vars" in var:
             for v in var["vars"]:
                 flatten_vars.add(v)
@@ -143,6 +141,8 @@ def createHistTuple(
                 )
 
             dfw = histTupleDef.GetDfw(df, setup, dataset_name)
+            for var in fullres_variables:
+                dfw.colToSave.append(var)
 
             selection_tags = setup.global_params.get("histTuple_selectors", [])
             selection_flags = []
diff --git a/Analysis/tasks.py b/Analysis/tasks.py
index a949ebc1..bed8326b 100644
--- a/Analysis/tasks.py
+++ b/Analysis/tasks.py
@@ -97,7 +97,7 @@ def workflow_requires(self):
             var_produced_by = self.setup.var_producer_map
 
             flatten_vars = set()
-            for var in self.global_params["variables"]:
+            for var in self.setup.histTuple_vars:
                 if isinstance(var, dict) and "vars" in var:
                     for v in var["vars"]:
                         flatten_vars.add(v)
@@ -286,7 +286,7 @@ def _build_branch_map(self):
         datasets_to_consider.append("data")
 
         flatten_vars = set()
-        for var in self.global_params["variables"]:
+        for var in self.setup.histTuple_vars:
             if isinstance(var, dict) and "vars" in var:
                 for v in var["vars"]:
                     flatten_vars.add(v)
@@ -519,7 +519,7 @@ def bundle_flavours(self):
 
     @property
     def active_variables(self):
-        all_vars = _dedup_variables(self.global_params["variables"])
+        all_vars = _dedup_variables(self.setup.histTuple_plot_vars)
         if not self.variables:
             return all_vars
         selected = {v.strip() for v in self.variables.split(",") if v.strip()}
@@ -751,7 +751,7 @@ def bundle_flavours(self):
 
     @property
     def active_variables(self):
-        all_vars = _dedup_variables(self.global_params["variables"])
+        all_vars = _dedup_variables(self.setup.histTuple_plot_vars)
         if not self.variables:
             return all_vars
         selected = {v.strip() for v in self.variables.split(",") if v.strip()}
@@ -1275,7 +1275,7 @@ def bundle_flavours(self):
 
     @property
     def active_variables(self):
-        all_vars = _dedup_variables(self.global_params["variables"])
+        all_vars = _dedup_variables(self.setup.histTuple_plot_vars)
         if not self.variables:
             return all_vars
         selected = {v.strip() for v in self.variables.split(",") if v.strip()}
@@ -1364,7 +1364,7 @@ def create_branch_map(self):
             customisations=self.customisations,
         ).create_branch_map()
         var_dict = {}
-        for var in self.global_params["variables"]:
+        for var in self.setup.histTuple_plot_vars:
             var_name = var if isinstance(var, str) else var["name"]
             var_dict[var_name] = var
         for k, (_, (var, _, _)) in enumerate(merge_map.items()):
diff --git a/Common/Setup.py b/Common/Setup.py
index 8e18a146..8030b00f 100644
--- a/Common/Setup.py
+++ b/Common/Setup.py
@@ -358,6 +358,39 @@ def __init__(
             else:
                 processes[key] = item
 
+        self.histTuple_flavor = self.global_params["histTuple_flavor"]
+        print(f"Using histTuple flavor {self.histTuple_flavor}")
+        self.histTuple_plot_vars = self.global_params["histTuple_flavors"][
+            self.histTuple_flavor
+        ]["variables"]
+        self.histTuple_fullres_vars = self.global_params["histTuple_flavors"][
+            self.histTuple_flavor
+        ]["fullResolution_variables"]
+
+        # Safety check that the fullres or the plotvars do not have duplicates
+        plotvar_dict = {}
+        for var in self.histTuple_plot_vars:
+            var_name = var["name"] if isinstance(var, dict) else var
+            if var_name in plotvar_dict:
+                raise RuntimeError(f"Duplicated plot variable name {var_name}")
+            plotvar_dict[var_name] = var
+
+        fullresvar_dict = {}
+        for var in self.histTuple_plot_vars:
+            var_name = var["name"] if isinstance(var, dict) else var
+            if var_name in fullresvar_dict:
+                raise RuntimeError(
+                    f"Duplicated full resolution variable name {var_name}"
+                )
+            fullresvar_dict[var_name] = var
+
+        # Now a merged list removing the duplicates
+        var_set = set()
+        for var in list(plotvar_dict.values()) + list(fullresvar_dict.values()):
+            var_name = var["name"] if isinstance(var, dict) else var
+            var_set.add(var_name)
+        self.histTuple_vars = list(var_set)
+
         def collect_base_processes(p_name, parent_name=None):
             if p_name not in processes:
                 if parent_name is not None: