British Style Bitter - 5 gallons (19 Liters)

From Byron Burch's Brewing Quality Beers:

6-1/2 lbs. Amber Malt Extract
1 lb. Crystal Malt
2 oz. 100% Dextrin Powder
1-2 tsp Gypsum
1/2 tsp Salt
2 oz Bittering Hops (Northern Brewer or Bullion) or 1-1/2 oz Bittering Hops (Nugget or Eroica)
1/2 oz Aromatic Hops (Fuggle, Willamette, Cascade or East Kent Golding)
Water to 5 gallons
3/4 c Corn Sugar for priming
1/2 oz Ale yeast

Starting Specific Gravity = 1.050
Final S.G. = 1.012-15
Alcohol by volume = 5%