What do you put in the hole when transplanting?

I have 4 beautiful new beds filled with MM. I am going to be transplanting my tomatoes and peppers into the beds this weekend. I'm just curious as to what everyone puts in the holes when transplanting these. I've read everything from milk, gypsum, salt, bone meal, lime, egg, coffee......so I'm confused! All they have had thus far is fish emulsion. A few of my new pepper leaves are looking a bit crumpled, like maybe they have used up all the calcium in the potting mix, so I just want to give them the best start possible when transplanting. Thanks!

I don't remember where I read about doing this so I can't back up why I do this but I add epsom salt and powdered milk (about .25 to .5 cup of each). It is supposed to help with blossom end rot.

For tomatoes, to help prevent BER (blossom end rot) I add a handful of dried milk and a half handful of Epsom salts. The calcium helps but it won't work its magic without the epsom salts.
Another defense is proper watering. You can't let the soil get too wet and then too dry or it won't take up calcium from the soil. If you stick your finger in the soil all the way and the tip doesn't feel moisture, water your tomatoes. They like deep watering which means you water it well so the water seeps down to the bottom roots. Its ok if the top of the soil dries out between waterings. Its what's underneath that matters.
Note: If you get BER, remove the affected fruits. The next flush of fruit usually won't have it anyway.
For brassicas (cabbages, broccs, caulis, etc) I add a handful of limestone to each hole to prevent clubroot.
A good dose of liquid fertilizer (fish emulsion, kelp, compost tea) at planting time and then when blossoms appear and then again when the fruits start developing is a good boost.

For Tomatoes, I put 2 egg shells to help with Blossom End Rot. I saved an old egg carton and when every we use eggs in the kitchen I just wash out the shells to use in the garden.

I put a dead small bass or crappie...not real big; maybe 3 to 6" in length. Cover that with some soil and then put a finely crumpled egg shell or two. I loosely wrap my tomato stems in aluminum foil to prevent worms. Hope that helps.

Do you treat the peppers in the same way as the tomatoes when planting?