Here's one of my favorite high gravity recipes, but be careful. It drinks like a session beer (and it finished fairly dry):
Little Big IIPA
12 Gallons
Approx 95 IBUs
OG 1.080
15lbs German Pilsner malt
15 lbs Crisp Maris Otter
2lbs Crystal 40L
1.5 lb Table Sugar (sucrose)
Hops
2oz Centennial FWH
2oz Amarillo (7aa) 60 min
2oz Centennial (8aa) 30 min
2oz Amarillo (7aa) 20 min
2oz Centennial (8aa) 15 min
2oz Centennial (8aa) 5 min
2oz Amarillo (7aa) 0 min
2oz Centennial 8aa) 0 min
Dry Hops (hop pellets) 1 oz Centennial in primary after fermentation slows for 7-10 days per 5 gallons
Dry Hop 1oz Amarillo and 1.5 oz Centennial in keg per 5 gallons
4 packets US-05 yeast
Mash in at 150 - 152 for 60 min. Boil 90 min. Pitch at 62 and ferment at 68. Drink young and eagerly!