Assuming (2) 3.3lb containers of LME
You could easily do a brown porter with some steeping grains:
1/2lb Roasted Barley
1/2 lb Crystal 120
1/5 lb CaraPils
Put those in a mesh bag in the pot of water and let it heat to about 155F try to keep it there for 15min. Remove the bag and let it After you hit boil and after the break, add 1oz of approximately 8.0% AA english hops (Brewer's Gold or Challenger maybe) and start 60 min timer.
Add your 1/2 oz willamettes (assumed 5.5%AA) in at 15 min and the dark LME stir to avoid scortching.
based on a quick Beersmith calc:
Boil volume 3gal
OG 1.048
IBU 29-25
Color 25
ABV 4.6%
Pitch an english sytle yeast if available WLP002, or Wyeast 1968, or SafAle-04