Ramadan, shared food with their Christian, Buddhist, Wiccan or secularist neighbors. Some years, it is plates of curry; this time, a box of barfi.
In SM Stirling's The Peshawar Lancers (New York, 2003), the diplomat, Henri, enjoys "...the spicy deep-fried vegetables..." (p. 220) of a samosa while really wanting what he, a Frenchman (not an Englishman!), regards as a real breakfast.
I hope that we in this generation can approach the pluralism to be found in SM Stirling's Angrezi Raj and in Poul Anderson's Terran Empire.
Addendum: For references to local places of worship, see post and comments here.