Bacon
fresh cut grass
fresh cut lumber
Early mornings at the farm when i was a kid [my favorite smell].
Asphalt/roofers tar kettle
burnt rubber
racing fuel
BBQ
Fresh baked bread
It's funny that you bring up roofing tar. When I was in the second grade, or so, the roof of my school got re-tarred (?). The workers worked out of the play ground. To this day, when ever I smell tar I am INSTANTLY taken back to second grade recess.
