After spending lots of time and stupid money with exotic food plot concoctions, I've come to the conclusion that lime and clover are your best friend. Lime is cheap. Clover doesn't need nitrogen fertilizer. Deer love clover. Specifically, white clover such as Ladino, Arrowleaf, Patriot and Durana.

Clover also doesn't need heavy tillage. We had great success this year "frost seeding." There's a how to article on QDMA.