I hunted with a friend who died in his 40s, from Skin cancer, but before it caught up with him, we baited here in Ideeeeeeeho for a number of years.
Stan really had it down to a science and was picky about bait sites.
He wanted the bait placed in such a way that the bear would present itself in a way to give good shot placement from his ground or tree stand.
This many times involved placing the bait next to a downed tree, large rocks, or possibly a combination.
As mentioned above, grease from fast food fryers is great, along with a lot of the other stuff mentioned, including the cheapest syrup you can find in gal. jugs.
Cheap dog food is a good bait, and mixes up well with the grease and syrup.
I have seen pastry just get shoved to the side and totally by passed in favor of the dog food mix.
Stan, after preping the site, would always throw limbs or logs over the bait site to help keep the smaller critters from getting in and packing off the goodies.
Helps keep the small critters out but doesn't slow the bears down one bit
The one very important thing that Stan did, and I haven't seen here is burning a fire at the bait site.
After picking the site and possibly doing some digging, we would start a fire in the bait location, and once it was going good, we'd start pouring grease and possibly syrup onto the fire with the intent of making a lot of smoke.
It was Stan's feeling that the smoke carried the scent faster and got things off to a faster start.
After Stan felt the fire and smoke had gone on long enough, we'd knock down the fire, pour on the dog food and grease, leaving the warm ground to help keep the scent moving.
We might do this at a site a number of times until it became active, after which we would just replentish the bait and again throw the covering logs etc. back in place.
Stan was quite sucessful with this method, seeing a lot of bears over the years before he became ill.
Miss that guy!
Keep em coming!
Crusty Deary Ol'Coot