Baltic Porter Recipe - Rum Barrel Porter

{"RecipeId":10917,"RecipeTypeId":20,"OriginalRecipeId":null,"UnitType":"s","IbuFormula":"t","CreatedBy":103871,"Name":"Rum Barrel Porter","Description":"","ImageUrlRoot":null,"StyleId":"9C","StyleName":"Baltic Porter","BatchSize":5,"BoilSize":6.5,"BoilTime":60,"Efficiency":0.75,"DateCreated":"\/Date(1435437619830)\/","BrewSessionCount":1,"MostRecentBrewSession":2220,"Og":1.07506,"Fg":1.022518,"Srm":50.891497374825555,"Ibu":44.723716795614273,"BgGu":0.59583955229968466,"Abv":6.7779180000000006,"Calories":259,"AverageRating":0,"TastingNoteCount":0,"Fermentables":[{"Per":"10","Amt":"1","Ppg":"34","L":"425","Use":"Extract","Id":"48894","IngId":"507","Name":"Chocolate - UK","CustomName":"","Rank":"1"},{"Per":"5","Amt":"0.5","Ppg":"33","L":"80","Use":"Extract","Id":"48895","IngId":"523","Name":"Dark Crystal 80L - UK","CustomName":"","Rank":"2"},{"Per":"5","Amt":"0.5","Ppg":"28","L":"500","Use":"Extract","Id":"48896","IngId":"482","Name":"Black Malt - UK","CustomName":"","Rank":"3"},{"Per":"19","Amt":"2","Ppg":"42","L":"3","Use":"Extract","Id":"48897","IngId":"530","Name":"Dry Malt Extract - Wheat - US","CustomName":"","Rank":"4"},{"Per":"61","Amt":"6.3","Ppg":"36","L":"18","Use":"Extract","Id":"48898","IngId":"77","Name":"Liquid Malt Extract - Dark - US","CustomName":"","Rank":"5"}],"Hops":[{"Amt":"1","Type":"Pellet","Use":"Boil","Min":"60","Day":"0","AA":"13","Ibu":"39.4472179993449","Id":"48338","IngId":"6","Name":"Chinook","CustomName":"","Rank":"1"},{"Amt":"0.5","Type":"Pellet","Use":"Boil","Min":"15","Day":"0","AA":"5","Ibu":"3.76419671181427","Id":"48339","IngId":"14","Name":"Goldings","CustomName":"","Rank":"2"},{"Amt":"0.5","Type":"Pellet","Use":"Boil","Min":"5","Day":"0","AA":"5","Ibu":"1.51230208445515","Id":"48340","IngId":"14","Name":"Goldings","CustomName":"","Rank":"3"}],"Yeasts":[{"Atten":"0.7","Id":"14222","IngId":"129","Name":"Danstar Windsor","CustomName":"","Rank":"1"}],"Others":[],"MashSteps":[],"Steps":[{"Id":"15325","Rank":"1","Text":"Soak 2oz. oak cubes in 16oz. of rum for 48 hrs prior to brewing"},{"Id":"15326","Rank":"2","Text":"Add oak cubes and rum to secondary fermenter and let sit for additional 2 weeks"}]}