Belgian Strong Dark Ale

OG: 1.104

FG: 1.021

Attenuation: 80%

ABV: 11.1%

Efficiency: 60%

IBU: 28.4

Yeast: Belgian Ardennes (yeast cake)

Fermentables

7 lbs Light DME

4 lbs 2-Row

1.5 lbs Vienna

1.5 lbs Special B

1.5 lbs Amber Candi Sugar

1 lbs Oats

Hops

1.5oz Saaz 60min

.5oz Saaz 5min

I know that's a high attenuation target, I'll hit it with a higher attenuating yeast if need be. Should be pretty straight forward, I'm concerned about the balance for the grains.

Thanks!