Imperial Stout Recipe - Shoot First Questions Later

{"RecipeId":60148,"RecipeTypeId":10,"OriginalRecipeId":null,"UnitType":"s","IbuFormula":"t","CreatedBy":106346,"Name":"Shoot First Questions Later","Description":"Simple Stout Recipe","ImageUrlRoot":null,"StyleId":"20C","StyleName":"Imperial Stout","BatchSize":11,"BoilSize":12,"BoilTime":60,"Efficiency":0.6,"DateCreated":"\/Date(1542140208943)\/","BrewSessionCount":1,"MostRecentBrewSession":13214,"Og":1.0878727272727273,"Fg":1.0246043636363635,"Srm":68.169819184658621,"Ibu":89.735436487841753,"BgGu":1.0211978081587612,"Abv":8.1616189090909081,"Calories":307,"AverageRating":5,"TastingNoteCount":1,"Fermentables":[{"Per":"74","Amt":"33","Ppg":"38","L":"3","Use":"Mash","Id":"318903","IngId":"15","Name":"Maris Otter Pale - UK","CustomName":"","Rank":"1"},{"Per":"16","Amt":"7","Ppg":"33","L":"65","Use":"Mash","Id":"318904","IngId":"43","Name":"Brown Malt - UK","CustomName":"","Rank":"2"},{"Per":"10","Amt":"4.5","Ppg":"28","L":"500","Use":"Mash","Id":"318905","IngId":"483","Name":"Black Malt - US","CustomName":"","Rank":"3"}],"Hops":[{"Amt":"6","Type":"Pellet","Use":"Boil","Min":"60","Day":"0","AA":"7.5","Ibu":"55.3163649582586","Id":"342234","IngId":"40","Name":"First Gold ","CustomName":"","Rank":"1"},{"Amt":"4","Type":"Pellet","Use":"Boil","Min":"60","Day":"0","AA":"7","Ibu":"34.4190715295831","Id":"342235","IngId":"38","Name":"Challenger ","CustomName":"","Rank":"2"}],"Yeasts":[{"Atten":"0.72","Id":"89149","IngId":"3749","Name":"WLP037 Yorkshire Square Ale Yeast","CustomName":"","Rank":"1"}],"Others":[],"MashSteps":[{"Heat":"Infusion","Temp":"149","Time":"60","Id":"44873","IngId":"4531","Name":"Mash @ 149 for 60 Min","CustomName":"","Rank":"1"}],"Steps":[{"Id":"103257","Rank":"1","Text":"Mash at 149?F (65?C) for 60 minutes (or until conversion is complete) in 8.5 gal. (32.2 L) of strike water."},{"Id":"103258","Rank":"2","Text":"Lauter and sparge to collect 9.5 gal. (36 L). Boil down to 7.5 gal. (28.4 L)."},{"Id":"103259","Rank":"3","Text":"Moderately low mineral water. (less than 70 ppm hardness as CaCO3). Adjust mash to room temperature pH of 5.4 with Ca(OH)2. Acidify sparge water to a room temperature pH of 5.5."}]}