Offering strategic promotions and events is an excellent way of attracting more customers and increasing sales in low-flow periods. Here are some ideas that can be implemented in your restaurant:

1. Themed promotions

- International Cuisine Night: Offer a special menu once a week that highlights dishes from a specific cuisine (Italian, Mexican, Asian, etc.). This can attract both new and regular customers on what is usually a slow day.

- Happy Hour: During off-peak hours, offer promotions on drinks and snacks, such as 2 for 1 or discounts, to encourage visitors.

2. Gastronomic events

- Tasting Evening: Organize one or more tasting evenings, where customers can try a variety of small dishes from a set menu at a special price. This can include pairing dishes with wines.

- Cooking classes: Offer cooking workshops on Saturdays or on quieter weekdays, where customers can learn how to prepare a popular dish from your menu. At the end, they can taste what they've prepared.

3. Set promotions

- Combos or Executive Menu: Create combos of dishes at special prices during the week, such as an executive menu for lunch with a starter, main course and dessert at an attractive price.

- Dessert promotion: Offer a discount on desserts when you buy a main course on certain days or at certain times, encouraging customers to try a sweet finish.

4. Incentives for Groups

- Group Discounts: Offer discounts for large group bookings on days when traffic is low. This can encourage events such as birthdays or family reunions.

- Bring a Friend" promotions: Offer a discount or a free drink to customers who bring a friend during a specific day of the week.

5. Entertainment Events

- Quiz or Trivia Night: Hold quiz nights with prizes for the winners. This attracts groups of friends and creates a fun atmosphere.

- Live music or DJ: Create live music nights on slower days to attract an audience looking for entertainment.

6. Seasonal promotions

- Holidays and Commemorative Dates: Offer special promotions on holidays, such as a special brunch on Mother's Day, or discounts during commemorative dates (Valentine's Day, Halloween, etc.).

- Back-to-school promotions: Offer a discount to students on specific days, encouraging them to frequent the restaurant after school.

7. Loyalty programs

- Loyalty cards: Create a rewards system where customers accumulate points with each visit and can exchange them for dishes or discounts on future meals.

- Birthday promotions: Offer a special discount or a free dessert to customers celebrating their birthday in the restaurant.

8. Weekday Promotions

- "Pizza Tuesday" or "Pasta Wednesday": A fixed day of the week dedicated to a menu item with a special discount (e.g. 20% off pizzas on Tuesdays). This can attract customers on a day that would normally have low traffic.

- Specially priced Wednesday lunches: Offer a promotional lunch menu on Wednesdays to encourage visits during the week.

Implementing these promotions and events will not only help to increase traffic during off-peak times, but will also create a dynamic and engaging environment, promoting customer loyalty over time. It's important to communicate these initiatives effectively, using your social networks, website and promotional materials in the restaurant itself to reach your target audience.