
In a globalized world where the average food travels 2,500 kilometers before reaching the plate, local restaurants are emerging as a gastronomic revolution with measurable benefits. By 2025, these establishments will not only reduce their carbon footprint by 65%, but will also revitalize local economies and recover endangered food varieties.
What Defines a True Local Restaurant?
The 3 Fundamental Pillars
- Geographical Proximity:
- 80-90% of ingredients produced within a ≤100 km radius
- Justified exceptions (coffee, cocoa, spices) with Fairtrade certification
- Strict Seasonality:
- Menus that change according to local production seasons
- Zero off-season imports (e.g., strawberries in December in Europe)
- Direct Relationship with Producers:
- They know farmers and ranchers personally
- Regular visits to supply farms
Impactful Data
- Carbon footprint: 5-7 kg CO₂/dish (vs. 15-20 kg in a conventional restaurant)
- Local Economic Impact: Every € spent generates an additional €2.50 in the community
- Reduced Waste: Only 8% waste (vs. 25% in conventional kitchens)
How to Identify an Authentic Local Restaurant
Verifiable Signs
✅ Map of Suppliers visible in the restaurant or on the website
✅ Daily list of producers with specific locations
✅ Recognized certifications: Slow Food, Ecocert Km0, Regional Km0 Label
✅ Seasonal menu that changes monthly, not just seasonally
✅ Producers present: Events with farmers at the restaurant
Key Questions to Ask
- “Can I know the names and locations of your main suppliers?”
- “What percentage of your ingredients come from within 100 km?”
- “How do you adapt the menu when a local product is unavailable?”
The 10 Indicators of Authenticity
1. Documented Sourcing Range
- Strict Km0: ≤50 km (for fresh, perishable products)
- Extended Km0: ≤100 km (for dried goods and preserves)
- Reasoned Km0: Documented and justified exceptions
2. Visible Seasonal Calendar
- Availability chart by month at the entrance
- Explanation of why certain dishes are unavailable
3. Prices that Reflect the Real Cost
- Not necessarily cheaper, but justified
- Breakdown possible: “X€ to the producer, Y€ for sustainability”
4. Transparency in the Supply Chain
- Photographs of the farms and producers
- Stories behind the special ingredients
5. Limited but In-Depth Menu
- 8-12 dishes highlighting a few ingredients at their peak
- vs. Extensive menus that require constant imports
6. Relationship with Varieties Native Varieties
- Recovery of forgotten varieties (pink tomatoes, dwarf beans)
- Collaboration with local seed banks
7. Staff Training
- Waiters can explain the origin of each ingredient
- They know the names of producers and their methods
8. Circular Waste Management
- Composting of organic waste
- Reuse of supplier packaging
9. Collaboration with Other Locally Sourced Restaurants
- Joint purchasing to achieve better prices
- Exchanging surplus products between establishments
10. Honest Communication
- They admit when a product is not locally available
- They explain their exception criteria
Benefits Beyond Sustainability
For Health
- Preserved nutrients: Products harvested at their peak
- Zero preservatives: Not necessary due to a short supply chain
- Reduced pesticide exposure: More direct control over farming methods
For the Local Economy
- Job creation: 3-5 indirect jobs per restaurant Km0
- Rural Population Support: Young people find a market for local products
- Attractive Gastronomic Tourism: Authentic experiences that draw visitors
For Food Culture
- Revival of Traditional Recipes: Adapted with local ingredients
- Knowledge Transmission: Between generations of producers and cooks
- Strengthened Territorial Identity: Each region develops its own culinary signature
How to Support Them Effectively
As a Customer
- Prioritize Seasonality: Order what’s at its peak
- Value Fair Prices: Understand that you’re paying for quality and local sourcing
- Spread the Word: Recommend and share on social media
- Participate in Events: Dinners with producers, seasonal workshops
As a Community
- Create Local Directories: Apps that geolocate Km0 restaurants
- Organize Gastronomic Routes: Connecting restaurants with farms
- Promote Public Policies: Tax incentives for Km0 establishments
As an Investor
- Finance Km0 Projects: Crowdfunding for startup restaurants
- Develop Logistics Platforms: Connecting small producers with restaurants
- Creating guarantee funds: For loans to support local food transitions

Challenges They Face and How to Overcome Them
Seasonality and Variability
- Solution: Flexible menus, traditional preservation techniques (salting, fermentation)
- Example: “Temporada” restaurant in Galicia changes its menu weekly
Limited Scale
- Solution: Restaurant cooperatives for joint purchasing
- Example: “Km0 Barcelona” network brings together 15 restaurants to negotiate with producers
Operating Costs
- Solution: Dynamic pricing based on availability
- Example: “Daily menu” cheaper than the full menu
Technologies Transforming the Km0 Movement
Connectivity Platforms
- Farm-to-Table Apps: Connect producers directly with restaurants
- Blockchain for traceability: Each ingredient with a verifiable history
- Predictive systems: AI that anticipates crop availability
Restaurant Tools
- Seasonal management software: Plans menus according to the local calendar
- Smart inventory apps: Suggest local substitutes for unavailable ingredients
- Local B2B Marketplaces: Where Restaurants buy directly without intermediaries
Certifications and Seals of Trust
International
- Slow Food Km0: Global standards with regular audits
- Sustainable Restaurant Association: Includes proximity criteria
National and Regional
- Km0 Catalonia Label: Requires 40% local, seasonal products
- Producto de Aquí (Basque Country): Certifies a short supply chain
- “Local Quality” brand in various autonomous communities
The Future: Km0 2.0 Restaurants
Emerging Trends
- “No-kitchen” restaurants: Delegating food preparation to Km0 community kitchens
- Immersive experiences: Dining on the farms themselves
- Km0 Subscriptions: Monthly boxes with ingredients and recipes from restaurants
Integration with Other Movements
- Km0 + Zero Waste: Minimizing waste throughout the entire chain
- Km0 + Regenerative: Ingredients from farms that regenerate Soils
- Km0 + Social: Labor inclusion of vulnerable groups in production and service
“A kilometer zero restaurant is not just where you eat, it’s where you participate in a food ecosystem that nourishes the land as much as it nourishes people” — Chef Martín Berasategui, pioneer of Basque local gastronomy.


