Restaurant Daily Insights with Gemini AI

This automation, built with n8n and Google Gemini AI, creates a smart daily report generator that analyzes restaurant sales, food waste and customer feedback from Google Sheets.

Using AI chat models, the system summarizes daily operations, identifies key trends and automatically emails a structured summary to management - helping restaurants make data-driven decisions with zero manual effort.

It’s ideal for restaurant owners, managers, or analytics teams who want instant insights without manually reviewing multiple data sheets

1. Unified Restaurant Intelligence

Combines sales, waste and feedback data into one AI-generated summary.

2. AI-Driven Insights

Uses Google Gemini AI to detect sales trends, reduce food waste and highlight customer sentiment.

3. Automated Email Reports

Sends a complete daily summary directly to management’s inbox - formatted for quick review.

4. Zero Manual Work

Automatically fetches Google Sheet data and processes it every morning.

5. Actionable Decision Support

Provides practical suggestions (like reducing over-prep or improving menu items) directly from your operational data.

Daily Report Scheduler

Triggers automatically each morning to start the data collection and report process.

Fetch & Normalize Data

• Sales Data: Reads sales performance details from Google Sheets.

• Food Waste Records: Fetches daily food wastage entries.

• Customer Feedback: Retrieves customer reviews or comments. All datasets are normalized for consistent processing.

AI Insights Generation (Gemini)

Each data stream is processed through Google Gemini AI for insight extraction:

• Sales: Best-selling dishes, daily growth and revenue trends.

• Waste: Top wasted items and improvement recommendations.

• Feedback: Common praises, complaints and sentiment ratings.

Combine & Summarize Data

All insights are merged into one structured report, then summarized using Gemini AI for a professional daily digest.

Format Final Email & Send

The final summary is formatted into clear sections (Sales, Waste, Feedback) and emailed to stakeholders via Gmail.

• n8n: Automates data collection, AI processing and email delivery.
• Google Sheets: Stores raw data for sales, waste and feedback.
• Google Gemini AI: Generates intelligent summaries and insights.
• Think Node (n8n AI Tool): Enhances context and data understanding for each dataset.
• Gmail: Sends the final report email automatically to management.

Input Collection:

Fetches daily data from three Google Sheets - Sales, Waste and Feedback.

AI Processing:

Each dataset is sent to Gemini AI, which analyzes and interprets key metrics or trends.

Insight Generation:

AI creates structured, human-readable insights such as:

• “Top-performing dishes of the day”

• “Wasted ingredients and cost-saving tips”

• “Customer satisfaction levels and frequent mentions”

Formatting:

The system formats all results into a polished, easy-to-read report with bullet points and highlights.

Delivery:

The Gmail node automatically emails the complete daily summary to management

A restaurant manager receives this daily email every morning:

Subject: Restaurant Daily Insights – October 29, 2025

Sales Summary:

• Total Sales: ₹52,300

• Best-Selling Item: Paneer Butter Masala (125 orders)

• Trend: 12% increase in lunch sales vs. yesterday

Waste Summary:

• Wastage reduced by 9%

• Top wasted item: Fried Rice (due to over-preparation)

• Suggestion: Reduce prep quantity during off-peak hours

Feedback Summary:

• 94% positive reviews

• Common mentions: “Fast service”, “Loved the desserts”

• Improvement: Add more drink options

AI Summary (Gemini):

“Overall, today shows solid sales performance with improved waste control. Customer sentiment remains high, emphasizing consistent service quality.”

• Recognized among the Top 5 Global n8n Creators.
• Expertise in AI + automation for food tech, hospitality and SaaS platforms.
• Integration-ready with Ollama, Llama, Gmail, Notion, or Google Sheets.
• Scalable, low-latency architecture for instant AI recipe generation.

The Restaurant Daily Insights Workflow by OneClick IT Consultancy automates restaurant reporting using Google Gemini AI and n8n.

It transforms raw operational data into actionable intelligence - delivered straight to your inbox every day.

Say goodbye to manual reporting and hello to instant insights that help you improve sales, reduce waste and delight customers. Visit Official Workflow       

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