Benchmark Quality Speculoos with 50% Lower Energy Using a Data-Driven Hybrid Steel Belt Oven

Client

Undisclosed

Country

Belgium

This legacy Belgian biscuit brand, internationally, is recognized for its artisanal speculoos, a crisp, caramelized biscuit delicately spiced and golden baked. With a strong presence in Europe and beyond, the brand maintains rigid product standards across all baking lines, especially in terms of texture, flavour, colour, and consistency.

THE CHALLENGE

To install a new baking oven on their expanded production line, to replicate the exact baking performance of our traditional ovens.

Needed to install a new baking oven on their expanded production line, but with a clear condition: “The new oven must replicate the exact baking performance of our traditional ovens. We cannot compromise the speculoos product quality under any circumstances.” Their key objectives are

  • Preserve the unique bake profile of speculoos
  • Achieve perfect consistency in caramelization and color
  • Lower energy consumption
  • Avoid long tuning periods during startup
  • Maintain the signature surface and bite achieved using steel belt baking

OUR ENGINEERING APPROACH

Data Before Design

Rather than rely on assumptions, New Era deployed a specialized Data Logger inside there existing ovens to scientifically capture the baking conditions responsible for the perfect speculoos outcome.

We Recorded and analyzed

Zone-wise temperatures

Zone-wise
temperatures

Heat flux

Heat flux and
distribution patterns

Moisture release

Moisture release rate
and drying curve

Product core temp

Product core
temperature and timing

Airflow control

Airflow, exhaust, and
humidity control


This allowed us to map the exact thermal fingerprint of there speculoos production process.

THE SOLUTION

A Custom Hybrid Steel Belt Oven

Zonal control of top and
bottom heat
Hybrid heating flexibility:
enabled radiation & convection
Intelligent PLC system for precise,
repeatable control
Balanced airflow and exhaust
system for moisture control
Product-specific oven length
and bake zone configuration
Hygienic design for easy cleaning
and low downtime

COMMISSIONING

First Results After Fine-Tuning

Once the oven was installed and fine-tuned to match the data profile

Tick Icon The first production batches delivered benchmark quality speculoos
Tick Icon Color, texture, and flavor matched and exceeded the output of legacy ovens
Tick Icon No additional rework or hardware changes were needed post commissioning

The client declared:

"This is the highest quality speculoos we have ever produced."


ENERGY SAVINGS

A Massive Operational Gain

Beyond quality, the new oven delivered impressive energy efficiency:


50%
lower gas

consumption compared to
traditional ovens

Reduced
carbon footprint

and energy cost per kg
of biscuit

Stable
baking

with minimal manual
adjustment

Performance Overview

Feature
Legacy Oven
New Era Hybrid Oven
Product Quality
Consistent
Benchmark Output Achieved
Energy Usage
100% baseline
–50%
Steel Belt Baking
Yes
Yes
Commissioning Time
Long manual tuning
Ready post initial settings
Zonal Control
Manual
Dynamic & independent
Automation
Limited
Fully integrated SCADA/PLC

After initial settings, we reached benchmark product quality. This oven produces the best speculoos we’ve ever baked and it consumes half the energy of our previous lines.