All condiments, oils, etc go into the fridge, except vinegar & honey.
PB extras are in the fridge, the current open one isn't IF DS is on a PB kick. ( If not, it goes in, we don't use it up that fast so I worry about the oil going rancid.
Potatoes do not, onions do. All fruits/veggies except apples & bananas are kept cold.
Never bread, it gets hard & dry. I do keep biscuick in the fridge though.