To gain a cult sandwich following in Portland requires craft, crave-worthy combos, and a big slathering of imagination. Premier among MCB’s scarfing opportunities: a power-punch of green beans, butter-grilled and crunchy, dressed with house bacon relish, fresh aioli, parmesan, and a soft-boiled egg. Breakfast sandwiches are king here, with a trashy delight dubbed “The Maple”—a rehabbed egg-and-sausage sandwich bound with the kitchen’s maple-currant bread pudding—and an a.m. burrito stuffed with hash browns, green chile salsa, and cheddar that vaults above all others in the city.