I fell in love with the pret concept when I encountered them during my time spent commuting to/from London for work and adore having in the city. More so near my office. Just the right amount of food
Small but gorgeous shop with floor to ceiling windows. Great coffee and toast varieties. Especially loved the muesli (though a bit pricey).
Although the UN Headquarters can be visited on tours, one of the best secrets is the Delegates Dining Room. Despite what its name suggests, the restaurant is open to the public with a reservation. Read more.