Actual recipe I brewed at the bachelor party we hit 80% efficiency with Gils direct fire mash
It hit 100% within the style guidlines for an american brown ale (with english yeast and hops
)
10 lbs Canadian 2-Row Malt; Canada Malting
0.1875 lbs American Caramel 60°L
0.1875 lbs Crystal 120; Crisp
0.375 lbs Coffee Malt; Castle Malting
0.1875 lbs American Chocolate Malt
1.0 oz Fuggle (Pellets, 4.75 %AA) boiled 60 min
Yeast : Fermentis S-04 Safale S-04
Original Gravity 1.062
Terminal Gravity 1.015
Color 18.45 °SRM
Bitterness 23.7 IBU
Alcohol (%volume) 6.2 %