diff --git a/HeavyIonsAnalysis/EventAnalysis/BuildFile.xml b/HeavyIonsAnalysis/EventAnalysis/BuildFile.xml
index 8dbda2e8aad8e..06663466544aa 100644
--- a/HeavyIonsAnalysis/EventAnalysis/BuildFile.xml
+++ b/HeavyIonsAnalysis/EventAnalysis/BuildFile.xml
@@ -16,4 +16,5 @@
 <use name="HLTrigger/HLTcore"/>
 <use name="CondFormats/HLTObjects"/>
 <use name="CondFormats/DataRecord"/>
+<use name="L1Trigger/L1TNtuples"/>
 <flags EDM_PLUGIN="1"/>
diff --git a/HeavyIonsAnalysis/EventAnalysis/python/l1object_cfi.py b/HeavyIonsAnalysis/EventAnalysis/python/l1object_cfi.py
new file mode 100644
index 0000000000000..1a00808981db4
--- /dev/null
+++ b/HeavyIonsAnalysis/EventAnalysis/python/l1object_cfi.py
@@ -0,0 +1,16 @@
+import FWCore.ParameterSet.Config as cms
+
+l1object = cms.EDAnalyzer("L1UpgradeFlatTreeProducer",
+    egToken = cms.untracked.InputTag("caloStage2Digis","EGamma"),
+    tauTokens = cms.untracked.VInputTag(cms.InputTag("caloStage2Digis","Tau")),
+    jetToken = cms.untracked.InputTag("caloStage2Digis","Jet"),
+    muonToken = cms.untracked.InputTag("gmtStage2Digis","Muon"),
+    sumToken = cms.untracked.InputTag("caloStage2Digis","EtSum"),
+    doEg = cms.bool(True),
+    doTau = cms.bool(True),
+    doJet = cms.bool(True),
+    doMuon = cms.bool(True),
+    doSum = cms.bool(True),
+    maxL1Upgrade = cms.uint32(60)
+)
+
diff --git a/HeavyIonsAnalysis/EventAnalysis/src/L1UpgradeFlatTreeProducer.cc b/HeavyIonsAnalysis/EventAnalysis/src/L1UpgradeFlatTreeProducer.cc
new file mode 100644
index 0000000000000..9edb1ed685ac6
--- /dev/null
+++ b/HeavyIonsAnalysis/EventAnalysis/src/L1UpgradeFlatTreeProducer.cc
@@ -0,0 +1,298 @@
+/*
+
+derived from L1UpgradeTreeProducer.cc 
+https://github.com/cms-sw/cmssw/blob/71ca6cc2c05f6ac6aa84b51976d1a06c9b6719a4/L1Trigger/L1TNtuples/plugins/L1UpgradeTreeProducer.cc
+
+writes the same information as L1UpgradeTreeProducer, but using a simpler format.
+L1UpgradeTreeProducer uses a format which requires L1AnalysisL1UpgradeDataFormat object to read the branches
+This class writes information using standard data types which does not complicate branch reading.
+ 
+*/
+
+// system include files
+#include <memory>
+
+// framework
+#include "FWCore/Framework/interface/Frameworkfwd.h"
+#include "FWCore/Framework/interface/EDAnalyzer.h"
+#include "FWCore/Framework/interface/Event.h"
+#include "FWCore/Framework/interface/MakerMacros.h"
+#include "FWCore/ParameterSet/interface/ParameterSet.h"
+#include "FWCore/MessageLogger/interface/MessageLogger.h"
+
+// data formats
+#include "DataFormats/L1Trigger/interface/EGamma.h"
+#include "DataFormats/L1Trigger/interface/Tau.h"
+#include "DataFormats/L1Trigger/interface/Jet.h"
+#include "DataFormats/L1Trigger/interface/Muon.h"
+#include "DataFormats/L1Trigger/interface/EtSum.h"
+
+// ROOT output stuff
+#include "FWCore/ServiceRegistry/interface/Service.h"
+#include "CommonTools/UtilAlgos/interface/TFileService.h"
+#include "TTree.h"
+
+#include "L1Trigger/L1TNtuples/interface/L1AnalysisL1Upgrade.h"
+
+//
+// class declaration
+//
+
+class L1UpgradeFlatTreeProducer : public edm::EDAnalyzer {
+public:
+  explicit L1UpgradeFlatTreeProducer(const edm::ParameterSet&);
+  ~L1UpgradeFlatTreeProducer() override;
+  
+  
+private:
+  void beginJob(void) override ;
+  void analyze(const edm::Event&, const edm::EventSetup&) override;
+  void endJob() override;
+
+public:
+  
+  L1Analysis::L1AnalysisL1Upgrade* l1Upgrade;
+  L1Analysis::L1AnalysisL1UpgradeDataFormat * l1UpgradeData;
+
+private:
+
+  unsigned maxL1Upgrade_;
+
+  // output file
+  edm::Service<TFileService> fs_;
+  
+  // tree
+  TTree * tree_;
+ 
+  // EDM input tags
+  edm::EDGetTokenT<l1t::EGammaBxCollection> egToken_;
+  std::vector< edm::EDGetTokenT<l1t::TauBxCollection> > tauTokens_;
+  edm::EDGetTokenT<l1t::JetBxCollection> jetToken_;
+  edm::EDGetTokenT<l1t::EtSumBxCollection> sumToken_;
+  edm::EDGetTokenT<l1t::MuonBxCollection> muonToken_;
+
+  // switches
+  bool doEg_;
+  bool doTau_;
+  bool doJet_;
+  bool doSum_;
+  bool doMuon_;
+};
+
+
+
+L1UpgradeFlatTreeProducer::L1UpgradeFlatTreeProducer(const edm::ParameterSet& iConfig)
+{
+
+  egToken_ = consumes<l1t::EGammaBxCollection>(iConfig.getUntrackedParameter<edm::InputTag>("egToken"));
+  //tauToken_ = consumes<l1t::TauBxCollection>(iConfig.getUntrackedParameter<edm::InputTag>("tauToken"));
+  jetToken_ = consumes<l1t::JetBxCollection>(iConfig.getUntrackedParameter<edm::InputTag>("jetToken"));
+  sumToken_ = consumes<l1t::EtSumBxCollection>(iConfig.getUntrackedParameter<edm::InputTag>("sumToken"));
+  muonToken_ = consumes<l1t::MuonBxCollection>(iConfig.getUntrackedParameter<edm::InputTag>("muonToken"));
+
+  const auto& taus = iConfig.getUntrackedParameter<std::vector<edm::InputTag>>("tauTokens");
+  for (const auto& tau: taus) {
+    tauTokens_.push_back(consumes<l1t::TauBxCollection>(tau));
+  }
+
+  doEg_ = iConfig.getParameter<bool>("doEg");
+  doTau_ = iConfig.getParameter<bool>("doTau");
+  doJet_ = iConfig.getParameter<bool>("doJet");
+  doSum_ = iConfig.getParameter<bool>("doSum");
+  doMuon_ = iConfig.getParameter<bool>("doMuon");
+ 
+  maxL1Upgrade_ = iConfig.getParameter<unsigned int>("maxL1Upgrade");
+ 
+  l1Upgrade     = new L1Analysis::L1AnalysisL1Upgrade();
+  l1UpgradeData = l1Upgrade->getData();
+  
+  // set up output
+  tree_=fs_->make<TTree>("L1UpgradeFlatTree", "L1 objects");
+  //tree_->Branch("L1Upgrade", "L1Analysis::L1AnalysisL1UpgradeDataFormat", &l1UpgradeData, 32000, 3);
+
+  if (doEg_) {
+    tree_->Branch("nEGs", &l1UpgradeData->nEGs);
+    tree_->Branch("egEt", &l1UpgradeData->egEt);
+    tree_->Branch("egEta", &l1UpgradeData->egEta);
+    tree_->Branch("egPhi", &l1UpgradeData->egPhi);
+    tree_->Branch("egIEt", &l1UpgradeData->egIEt);
+    tree_->Branch("egIEta", &l1UpgradeData->egIEta);
+    tree_->Branch("egIPhi", &l1UpgradeData->egIPhi);
+    tree_->Branch("egIso", &l1UpgradeData->egIso);
+    tree_->Branch("egBx", &l1UpgradeData->egBx);
+    tree_->Branch("egTowerIPhi", &l1UpgradeData->egTowerIPhi);
+    tree_->Branch("egTowerIEta", &l1UpgradeData->egTowerIEta);
+    tree_->Branch("egRawEt", &l1UpgradeData->egRawEt);
+    tree_->Branch("egIsoEt", &l1UpgradeData->egIsoEt);
+    tree_->Branch("egFootprintEt", &l1UpgradeData->egFootprintEt);
+    tree_->Branch("egNTT", &l1UpgradeData->egNTT);
+    tree_->Branch("egShape", &l1UpgradeData->egShape);
+    tree_->Branch("egTowerHoE", &l1UpgradeData->egTowerHoE);
+    tree_->Branch("egHwQual", &l1UpgradeData->egHwQual);
+  }
+
+  if (doTau_) {
+    tree_->Branch("nTaus", &l1UpgradeData->nTaus);
+    tree_->Branch("tauEt", &l1UpgradeData->tauEt);
+    tree_->Branch("tauEta", &l1UpgradeData->tauEta);
+    tree_->Branch("tauPhi", &l1UpgradeData->tauPhi);
+    tree_->Branch("tauIEt", &l1UpgradeData->tauIEt);
+    tree_->Branch("tauIEta", &l1UpgradeData->tauIEta);
+    tree_->Branch("tauIPhi", &l1UpgradeData->tauIPhi);
+    tree_->Branch("tauIso", &l1UpgradeData->tauIso);
+    tree_->Branch("tauBx", &l1UpgradeData->tauBx);
+    tree_->Branch("tauTowerIPhi", &l1UpgradeData->tauTowerIPhi);
+    tree_->Branch("tauTowerIEta", &l1UpgradeData->tauTowerIEta);
+    tree_->Branch("tauRawEt", &l1UpgradeData->tauRawEt);
+    tree_->Branch("tauIsoEt", &l1UpgradeData->tauIsoEt);
+    tree_->Branch("tauNTT", &l1UpgradeData->tauNTT);
+    tree_->Branch("tauHasEM", &l1UpgradeData->tauHasEM);
+    tree_->Branch("tauIsMerged", &l1UpgradeData->tauIsMerged);
+    tree_->Branch("tauHwQual", &l1UpgradeData->tauHwQual);
+  }
+
+  if (doJet_) {
+    tree_->Branch("nJets", &l1UpgradeData->nJets);
+    tree_->Branch("jetEt", &l1UpgradeData->jetEt);
+    tree_->Branch("jetEta", &l1UpgradeData->jetEta);
+    tree_->Branch("jetPhi", &l1UpgradeData->jetPhi);
+    tree_->Branch("jetIEt", &l1UpgradeData->jetIEt);
+    tree_->Branch("jetIEta", &l1UpgradeData->jetIEta);
+    tree_->Branch("jetIPhi", &l1UpgradeData->jetIPhi);
+    tree_->Branch("jetBx", &l1UpgradeData->jetBx);
+    tree_->Branch("jetTowerIPhi", &l1UpgradeData->jetTowerIPhi);
+    tree_->Branch("jetTowerIEta", &l1UpgradeData->jetTowerIEta);
+    tree_->Branch("jetRawEt", &l1UpgradeData->jetRawEt);
+    tree_->Branch("jetSeedEt", &l1UpgradeData->jetSeedEt);
+    tree_->Branch("jetPUEt", &l1UpgradeData->jetPUEt);
+    tree_->Branch("jetPUDonutEt0", &l1UpgradeData->jetPUDonutEt0);
+    tree_->Branch("jetPUDonutEt1", &l1UpgradeData->jetPUDonutEt1);
+    tree_->Branch("jetPUDonutEt2", &l1UpgradeData->jetPUDonutEt2);
+    tree_->Branch("jetPUDonutEt3", &l1UpgradeData->jetPUDonutEt3);
+  }
+
+  if (doMuon_) {
+    tree_->Branch("nMuons", &l1UpgradeData->nMuons);
+    tree_->Branch("muonEt", &l1UpgradeData->muonEt);
+    tree_->Branch("muonEta", &l1UpgradeData->muonEta);
+    tree_->Branch("muonPhi", &l1UpgradeData->muonPhi);
+    tree_->Branch("muonEtaAtVtx", &l1UpgradeData->muonEtaAtVtx);
+    tree_->Branch("muonPhiAtVtx", &l1UpgradeData->muonPhiAtVtx);
+    tree_->Branch("muonIEt", &l1UpgradeData->muonIEt);
+    tree_->Branch("muonIEta", &l1UpgradeData->muonIEta);
+    tree_->Branch("muonIPhi", &l1UpgradeData->muonIPhi);
+    tree_->Branch("muonIEtaAtVtx", &l1UpgradeData->muonIEtaAtVtx);
+    tree_->Branch("muonIPhiAtVtx", &l1UpgradeData->muonIPhiAtVtx);
+    tree_->Branch("muonIDEta", &l1UpgradeData->muonIDEta);
+    tree_->Branch("muonIDPhi", &l1UpgradeData->muonIDPhi);
+    tree_->Branch("muonChg", &l1UpgradeData->muonChg);
+    tree_->Branch("muonIso", &l1UpgradeData->muonIso);
+    tree_->Branch("muonQual", &l1UpgradeData->muonQual);
+    tree_->Branch("muonTfMuonIdx", &l1UpgradeData->muonTfMuonIdx);
+    tree_->Branch("muonBx", &l1UpgradeData->muonBx);
+  }
+
+  if (doSum_) {
+    tree_->Branch("nSums", &l1UpgradeData->nSums);
+    tree_->Branch("sumType", &l1UpgradeData->sumType);
+    tree_->Branch("sumEt", &l1UpgradeData->sumEt);
+    tree_->Branch("sumPhi", &l1UpgradeData->sumPhi);
+    tree_->Branch("sumIEt", &l1UpgradeData->sumIEt);
+    tree_->Branch("sumIPhi", &l1UpgradeData->sumIPhi);
+    tree_->Branch("sumBx", &l1UpgradeData->sumBx);
+  }
+
+}
+
+
+L1UpgradeFlatTreeProducer::~L1UpgradeFlatTreeProducer()
+{
+ 
+  // do anything here that needs to be done at desctruction time
+  // (e.g. close files, deallocate resources etc.)
+
+}
+
+
+//
+// member functions
+//
+
+// ------------ method called to for each event  ------------
+void
+L1UpgradeFlatTreeProducer::analyze(const edm::Event& iEvent, const edm::EventSetup& iSetup)
+{
+  
+  l1Upgrade->Reset();
+
+  edm::Handle<l1t::EGammaBxCollection> eg;
+  edm::Handle<l1t::JetBxCollection> jet;
+  edm::Handle<l1t::EtSumBxCollection> sums;
+  edm::Handle<l1t::MuonBxCollection> muon; 
+
+  if (doEg_) iEvent.getByToken(egToken_,   eg);
+  if (doJet_) iEvent.getByToken(jetToken_,  jet);
+  if (doSum_) iEvent.getByToken(sumToken_, sums);
+  if (doMuon_) iEvent.getByToken(muonToken_, muon);
+
+  if (doEg_) {
+    if (eg.isValid()){ 
+      l1Upgrade->SetEm(eg, maxL1Upgrade_);
+    } else {
+      edm::LogWarning("MissingProduct") << "L1Upgrade Em not found. Branch will not be filled" << std::endl;
+    }
+  }
+
+  if (doJet_) {
+    if (jet.isValid()){ 
+      l1Upgrade->SetJet(jet, maxL1Upgrade_);
+    } else {
+      edm::LogWarning("MissingProduct") << "L1Upgrade Jets not found. Branch will not be filled" << std::endl;
+    }
+  }
+
+  if (doSum_) {
+    if (sums.isValid()){ 
+      l1Upgrade->SetSum(sums, maxL1Upgrade_);  
+    } else {
+      edm::LogWarning("MissingProduct") << "L1Upgrade EtSums not found. Branch will not be filled" << std::endl;
+    }
+  }
+
+  if (doMuon_) {
+    if (muon.isValid()){ 
+      l1Upgrade->SetMuon(muon, maxL1Upgrade_);
+    } else {
+      edm::LogWarning("MissingProduct") << "L1Upgrade Muons not found. Branch will not be filled" << std::endl;
+    }
+  }
+
+  if (doTau_) {
+    for (auto & tautoken: tauTokens_){
+      edm::Handle<l1t::TauBxCollection> tau;
+      iEvent.getByToken(tautoken,  tau);
+      if (tau.isValid()){ 
+        l1Upgrade->SetTau(tau, maxL1Upgrade_);
+      } else {
+        edm::LogWarning("MissingProduct") << "L1Upgrade Tau not found. Branch will not be filled" << std::endl;
+      }
+    }
+  }
+
+  tree_->Fill();
+
+}
+
+// ------------ method called once each job just before starting event loop  ------------
+void 
+L1UpgradeFlatTreeProducer::beginJob(void)
+{
+}
+
+// ------------ method called once each job just after ending the event loop  ------------
+void 
+L1UpgradeFlatTreeProducer::endJob() {
+}
+
+//define this as a plug-in
+DEFINE_FWK_MODULE(L1UpgradeFlatTreeProducer);
diff --git a/HeavyIonsAnalysis/JetAnalysis/test/runForestAOD_pponAA_DATA_103X.py b/HeavyIonsAnalysis/JetAnalysis/test/runForestAOD_pponAA_DATA_103X.py
index ba89627c4e1d0..ab79f118547eb 100644
--- a/HeavyIonsAnalysis/JetAnalysis/test/runForestAOD_pponAA_DATA_103X.py
+++ b/HeavyIonsAnalysis/JetAnalysis/test/runForestAOD_pponAA_DATA_103X.py
@@ -104,6 +104,7 @@
 process.load('HeavyIonsAnalysis.EventAnalysis.hltanalysis_cfi')
 process.load('HeavyIonsAnalysis.EventAnalysis.skimanalysis_cfi')
 process.load('HeavyIonsAnalysis.EventAnalysis.hltobject_cfi')
+process.load('HeavyIonsAnalysis.EventAnalysis.l1object_cfi')
 
 ###############################################################################
 
@@ -179,6 +180,7 @@
     process.HiForest +
     process.hltanalysis +
     process.hltobject +
+    #process.l1object +
     process.centralityBin +
     process.hiEvtAnalyzer +
     process.jetSequence +