With AE,I use DME in the boil,LME at flame out. In my partial mash beers,the grain accounts for 50% of the fermentables. I also do a partial boil of 3 gallons with biab,so I use the fresh wort for all ho additions. Then add all the DME or LME at flame out.
Everything works if ya let it-Roady(meatloaf)