Eggs - in
Butter - in and out (un-used sticks are in and butter dish is out)
Peanut Butter - out
Vegetables - in and out (leafy greens and most veg are in but potatoes, onion, garlic are out)
Fruits - in (except for bananas and dried fruit)
Condiments - in (when opened)
Bread - out
Nuts - in (frozen) unless in a can or are peanuts... then out.