Each week, Wicked Local goes behind the scenes at a regional restaurant to chat with the person behind the specialties. This week, it is Belmont’s turn to go Behind the Plate.For the past 34 years, John Paloukos has been waking up every day at 1:15 a.m. to commute from his home in Northborough to his second home in Belmont, Linda’s Donuts, 247 Belmont St.