I'd be happy to help you plan a relaxed 3-day itinerary in Delhi. Let's make sure to include a mix of sightseeing, cultural experiences, and delicious food stops to make the most of your time in this vibrant city.

Day 1: Old Delhi Exploration

• Start your day with a leisurely breakfast at a local cafe to fuel up for the day ahead.
• Head to Chandni Chowk, one of the oldest and busiest markets in Delhi. Take a rickshaw ride through the narrow lanes to experience the hustle and bustle of the area.
• Visit Jama Masjid, one of the largest mosques in India, and soak in the architectural beauty and peaceful ambiance.
• Enjoy a traditional lunch at Karim's, a famous restaurant known for its Mughlai cuisine.
• Explore the Red Fort, a UNESCO World Heritage Site, and learn about the history of the Mughal Empire.
• End your day with a relaxing stroll at India Gate, a war memorial and popular hangout spot for locals.

Day 2: New Delhi Sightseeing

• Start your day with a visit to Humayun's Tomb, a stunning example of Mughal architecture surrounded by lush gardens.
• Explore the Qutub Minar complex, a UNESCO World Heritage Site featuring the tallest brick minaret in the world.
• Have a leisurely lunch at Lodhi Garden Restaurant, located in the serene Lodhi Gardens.
• Visit the Lotus Temple, a Bahá'í House of Worship known for its unique lotus-shaped architecture and tranquil atmosphere.
• Spend the evening at Hauz Khas Village, a trendy neighborhood with art galleries, boutiques, and cafes. Enjoy a leisurely dinner at one of the rooftop restaurants overlooking the lake.

Day 3: Cultural Immersion

• Start your day with a visit to the National Museum to learn about India's rich history and diverse culture.
• Explore the bustling markets of Connaught Place and indulge in some shopping for souvenirs and local handicrafts.
• Enjoy a traditional Indian thali for lunch at a local restaurant to savor a variety of flavors.
• Visit the Akshardham Temple, a magnificent Hindu temple complex known for its intricate architecture and spiritual ambiance.
• End your day with a relaxing evening at Dilli Haat, a vibrant open-air market showcasing handicrafts, art, and regional cuisine from across India.

Remember to take your time, soak in the sights and sounds of Delhi, and enjoy the relaxed pace of your itinerary. Let me know if you need any more recommendations or adjustments!