Imperial Stout Recipe - Russian Imperial Stout

{"RecipeId":65511,"RecipeTypeId":10,"OriginalRecipeId":65487,"UnitType":"m","IbuFormula":"t","CreatedBy":118147,"Name":"Russian Imperial Stout","Description":"","ImageUrlRoot":null,"StyleId":"20C","StyleName":"Imperial Stout","BatchSize":14,"BoilSize":18,"BoilTime":60,"Efficiency":0.75,"DateCreated":"\/Date(1550861140867)\/","BrewSessionCount":0,"MostRecentBrewSession":null,"Og":1.1103817656137451,"Fg":1.0275954414034363,"Srm":66.973612792274565,"Ibu":76.102078137204927,"BgGu":0.68944429103903027,"Abv":10.679435823129843,"Calories":395,"AverageRating":0,"TastingNoteCount":0,"Fermentables":[{"Per":"75","Amt":"5.1","Ppg":"38","L":"3","Use":"Mash","Id":"348080","IngId":"15","Name":"Maris Otter Pale - UK","CustomName":"","Rank":"1"},{"Per":"16","Amt":"1.1","Ppg":"33","L":"65","Use":"Mash","Id":"348081","IngId":"43","Name":"Brown Malt - UK","CustomName":"","Rank":"2"},{"Per":"9","Amt":"0.6","Ppg":"28","L":"550","Use":"Mash","Id":"348082","IngId":"482","Name":"Black Malt - UK","CustomName":"","Rank":"3"}],"Hops":[{"Amt":"41","Type":"Pellet","Use":"Boil","Min":"60","Day":"0","AA":"8.9","Ibu":"38.440819922849","Id":"372106","IngId":"38","Name":"Challenger ","CustomName":"","Rank":"2"}],"Yeasts":[{"Atten":"0.75","Id":"97167","IngId":"232","Name":"Wyeast London Ale 1028","CustomName":"","Rank":"1"}],"Others":[],"MashSteps":[{"Heat":"Direct Heat","Temp":"40","Time":"30","Id":"48276","IngId":"2","Name":"Acid Rest","CustomName":"","Rank":"1"},{"Heat":"Direct Heat","Temp":"50","Time":"30","Id":"48277","IngId":"8","Name":"Protein Rest","CustomName":"","Rank":"2"},{"Heat":"Direct Heat","Temp":"66","Time":"60","Id":"48278","IngId":"4738","Name":"Starch Conversion","CustomName":"","Rank":"3"}],"Steps":[{"Id":"111492","Rank":"1","Text":"Mash as indicated in 18-19L water (using RoboBrew)"},{"Id":"111493","Rank":"2","Text":"Lauter and Sparge to collect 19L"},{"Id":"111494","Rank":"3","Text":"Boil to reach 14L final volume."}]}