Frozen French Fries Production Process¶
The meticulous control over each stage ensures the superior quality and frying performance of Dinweys' frozen French fries. Our process is optimized for high dry matter retention, texture consistency, and long-term stability.
1. Raw Material Selection — The Foundation of Quality¶
We begin with high-quality potatoes selected specifically for processing.
Key Advantage: We exclusively use potato raw materials with a dry matter content exceeding 22% (DM > 22%). This crucial factor ensures a lower oil absorption rate and a crispier final texture.
Variety Profile: - McCain system varieties (primary) - Shepody - Atlantic - Sourced from the 41°N latitude growing region
2. High-Efficiency Cleaning & Peeling¶
Raw potatoes undergo thorough cleaning followed by a precise, hygienic peeling process.
Key Technique: High-temperature steam peeling — minimizes surface damage and retains more of the potato's valuable outer layer nutrients compared to mechanical abrasive methods.
3. Precision Cutting & Water Reduction¶
Potatoes are cut into uniform strips (e.g., standard 9mm or 12mm) using high-precision cutters. Ripple-cut styles are also available.
Crucial Step (Dewatering): Following blanching, we achieve a high product dehydration rate of 25–30%. This optimized moisture removal is vital for minimizing oil absorption during frying and maximizing final crispiness.
4. Blanching & Color Protection¶
- Temperature: 85–95°C
- Purpose: Remove excess starch, lock in natural color, deactivate enzymes
- Result: Extended shelf life and consistent color during frying
5. Par-Frying (Pre-Frying)¶
- Temperature: ~160°C
- Purpose: Develop the iconic golden color and form a protective outer layer
- Result: Enhanced flavor, reduced final cook time, improved crunch
6. Advanced Quick Freezing (IQF)¶
Technology: Tunnel Freezing Key Advantage: Rapid freezing prevents the formation of large ice crystals, maintaining optimal cell structure and texture stability.
See IQF Freezing Technology for detailed specifications.
7. Packaging & Quality Assurance¶
- Fries immediately sealed in protective, labeled packaging
- Standard products contain only potatoes and vegetable oil — clean labeling commitment
- Batch tracking with lot code
- QC inspection before palletization
- Cold-chain handover to logistics team
Automation Control¶
Highly automated production lines with an average of only 8–10 workers per shift per line.
| Metric | Value |
|---|---|
| Daily capacity | Up to 30 tons |
| Annual output | Approx. 10,000 tons |
| Workers per shift | 8–10 per line |