American Stout Recipe - Peanut butter milk stout

{"RecipeId":79528,"RecipeTypeId":10,"OriginalRecipeId":59606,"UnitType":"m","IbuFormula":"t","CreatedBy":114149,"Name":"Peanut butter milk stout","Description":"Was expecting a lot lower fg. Not sure why ? Biab ripped during mash, grain left in the fermenter. Fresh yeast pitched at the correct temp.\nBeer tastes good , no off flavours.\nKegged and carb set to 20.","ImageUrlRoot":null,"StyleId":"20B","StyleName":"American Stout","BatchSize":22,"BoilSize":28,"BoilTime":60,"Efficiency":0.8,"DateCreated":"\/Date(1580569306770)\/","BrewSessionCount":0,"MostRecentBrewSession":null,"Og":1.0636672085542065,"Fg":1.0299235880204771,"Srm":53.196547902411147,"Ibu":24.320220415661829,"BgGu":0.38198973958400434,"Abv":4.3529270488510932,"Calories":222,"AverageRating":0,"TastingNoteCount":0,"Fermentables":[{"Per":"5","Amt":"0.3","Ppg":"34","L":"60","Use":"Mash","Id":"423557","IngId":"518","Name":"Crystal 60L - UK","CustomName":"","Rank":"2"},{"Per":"9","Amt":"0.5","Ppg":"34","L":"425","Use":"Mash","Id":"423558","IngId":"507","Name":"Chocolate - UK","CustomName":"","Rank":"4"},{"Per":"5","Amt":"0.3","Ppg":"33","L":"10","Use":"Mash","Id":"423562","IngId":"537","Name":"Golden Naked Oats - UK","CustomName":"","Rank":"6"},{"Per":"7","Amt":"0.4","Ppg":"29","L":"550","Use":"Mash","Id":"423559","IngId":"579","Name":"Roasted Barley - UK","CustomName":"","Rank":"8"},{"Per":"9","Amt":"0.5","Ppg":"37","L":"9","Use":"Mash","Id":"423563","IngId":"20","Name":"Munich - UK","CustomName":"","Rank":"10"},{"Per":"5","Amt":"0.3","Ppg":"32","L":"2","Use":"Mash","Id":"423560","IngId":"78","Name":"Flaked Barley - US","CustomName":"","Rank":"12"},{"Per":"60","Amt":"3.5","Ppg":"38","L":"3","Use":"Mash","Id":"423561","IngId":"9340","Name":"Propino extra pale malt","CustomName":"","Rank":"14"}],"Hops":[{"Amt":"10","Type":"Pellet","Use":"Boil","Min":"60","Day":"0","AA":"12","Ibu":"12.2415525100132","Id":"448299","IngId":"18","Name":"Magnum ","CustomName":"","Rank":"2"}],"Yeasts":[{"Atten":"0.53","Id":"117710","IngId":"233","Name":"Wyeast London Ale III 1318","CustomName":"","Rank":"1"}],"Others":[{"Amt":"1","Unit":"kg","Use":"Boil","Id":"79727","IngId":"7073","Name":"lactose","CustomName":"","Rank":"2"}],"MashSteps":[{"Heat":"Decoction","Temp":"70","Time":"60","Id":"56948","IngId":"5461","Name":"Biab","CustomName":"","Rank":"1"}],"Steps":[{"Id":"133433","Rank":"1","Text":"Lactose went in 15 mins before end of boil"}]}