Ocado 4 White Oven Bottom Muffins. "In the sourdough age, soft squishy bread is often looked down on, but until you’ve had a bacon sandwich in an oven bottom muffin (cut it open like a burger bun, and wipe each cut half in the pan to soak up the gorgeous salty fat) you haven’t lived! I always have a packet in the freezer." Nigella Lawson Did you know? The word 'muffin' in oven bottom muffins is very misleading! They are actually soft bread rolls and were traditionally cooked on the bottom of the oven, giving them their distinct flat tops and bottoms. Regionally, they're also known as 'Lancashire bread buns'.  Whether it's white or brown, soft or seeded, we've got the perfect roll for you, simply search for 'Ocado buns'.