diff --git a/changelog.txt b/changelog.txt
index adf7212..871ad7d 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -1,4 +1,9 @@
 ---------------------------------------------------------------------------------------------------
+Version: 0.5.7
+Date: 2021-07-26
+  Changes:
+    - Minor refactor
+---------------------------------------------------------------------------------------------------
 Version: 0.5.6
 Date: 2021-07-25
   Features:
diff --git a/info.json b/info.json
index 4ba3bc6..07c96b5 100644
--- a/info.json
+++ b/info.json
@@ -1,6 +1,6 @@
 {
     "name": "bzlead",
-    "version": "0.5.6",
+    "version": "0.5.7",
     "factorio_version": "1.1",
     "title": "Lead",
     "author": "Brevven",
diff --git a/lead-recipe-final-5d.lua b/lead-recipe-final-5d.lua
index e2182c4..d5ac47a 100644
--- a/lead-recipe-final-5d.lua
+++ b/lead-recipe-final-5d.lua
@@ -19,7 +19,7 @@ if mods["5dim_core"] then
       enabled = true,
       energy_required = 65,
       ingredients = {{"lead-ore", 85}},
-      result = util.lead_plate,
+      result = util.me.lead_plate,
       result_count = 100,
     }
   })
@@ -49,7 +49,7 @@ if mods["5dim_core"] then
             ingredients = {
                 {"lead-dust", 1}
             },
-            result = util.lead_plate
+            result = util.me.lead_plate
         },
         {
             type = "recipe",
@@ -79,7 +79,7 @@ if mods["5dim_core"] then
           enabled = true,
           energy_required = 65,
           ingredients = {{"lead-dust", 85}},
-          result = util.lead_plate,
+          result = util.me.lead_plate,
           result_count = 100,
         }
   })
diff --git a/lead-recipe-se.lua b/lead-recipe-se.lua
index 3f21d91..9394f4d 100644
--- a/lead-recipe-se.lua
+++ b/lead-recipe-se.lua
@@ -2,8 +2,8 @@
 local util = require("__bzlead__.util");
 
 if mods["space-exploration"] then
-  se_delivery_cannon_recipes[util.lead_ore] = {name= util.lead_ore}
-  se_delivery_cannon_recipes[util.lead_plate] = {name= util.lead_plate}
+  se_delivery_cannon_recipes[util.me.lead_ore] = {name= util.me.lead_ore}
+  se_delivery_cannon_recipes[util.me.lead_plate] = {name= util.me.lead_plate}
   if mods["Krastorio2"] then
     data:extend({
     {
@@ -20,7 +20,7 @@ if mods["space-exploration"] then
         {name = "se-vulcanite-block", amount = 1},
       },
       results = {
-        {name = util.lead_plate, amount = 12},
+        {name = util.me.lead_plate, amount = 12},
       },
       icons =
       {
@@ -50,7 +50,7 @@ if mods["space-exploration"] then
         {name = "se-vulcanite-block", amount = 1},
       },
       results = {
-        {name = util.lead_plate, amount = 6},
+        {name = util.me.lead_plate, amount = 6},
       },
       icons =
       {
diff --git a/lead-recipe-updates.lua b/lead-recipe-updates.lua
index 0774e76..0ad678b 100644
--- a/lead-recipe-updates.lua
+++ b/lead-recipe-updates.lua
@@ -9,7 +9,7 @@ if (not mods["pyrawores"] and not mods["bobplates"] and not mods["angelssmelting
   util.replace_ingredient("battery", "iron-plate", "lead-plate")
 
   
-  if util.sulfuric() then
+  if util.me.sulfuric() then
     util.replace_ingredient("sulfuric-acid", "iron-plate", "lead-plate")
   end
 
diff --git a/lead-recipe.lua b/lead-recipe.lua
index e363c20..4a68119 100644
--- a/lead-recipe.lua
+++ b/lead-recipe.lua
@@ -6,7 +6,7 @@ if (not mods["pyrawores"] and not mods["bobplates"] and not mods["angelssmelting
 data:extend({
   {
     type = "recipe",
-    name = util.lead_plate,
+    name = util.me.lead_plate,
     category = "smelting",
     subgroup = "raw-material",
     order = "d[lead-plate]",
@@ -24,7 +24,7 @@ data:extend({
           energy_required = 16,
           ingredients = {{"lead-ore", 10}},
           results = {
-            {type="item", name = util.lead_plate, amount_min=4, amount_max=5},
+            {type="item", name = util.me.lead_plate, amount_min=4, amount_max=5},
             {type="item", name = "copper-ore", amount_min=1, amount_max=2},
           }
         } or
@@ -33,7 +33,7 @@ data:extend({
           energy_required = 6.4,
           ingredients = {{"lead-ore", 2}},
           results = {
-            {type="item", name = util.lead_plate, amount=2, probability=5/6},
+            {type="item", name = util.me.lead_plate, amount=2, probability=5/6},
             {type="item", name = "copper-ore", amount=1, probability=1/3},
           }
         }),
@@ -43,14 +43,14 @@ data:extend({
       energy_required = 12.8,
       ingredients = {{"lead-ore", 4}},
       results = {
-        {type="item", name = util.lead_plate, amount=2, probability=5/6},
+        {type="item", name = util.me.lead_plate, amount=2, probability=5/6},
         {type="item", name = "copper-ore", amount=2, probability=1/3},
       }
     }
   },
   {
     type = "item",
-    name = util.lead_plate,
+    name = util.me.lead_plate,
     icon = "__bzlead__/graphics/icons/lead-plate.png",
     icon_size = 64, icon_mipmaps = 3,
     subgroup = "raw-material",
@@ -70,7 +70,7 @@ data:extend({
       energy_required = 7,
       ingredients = {{"lead-ore", 100}},
       results = {
-        {type="item", name = util.lead_plate, amount=100, probability=5/6},
+        {type="item", name = util.me.lead_plate, amount=100, probability=5/6},
         {type="item", name = "copper-ore", amount=50, probability=1/3},
       }
     },
diff --git a/me.lua b/me.lua
new file mode 100644
index 0000000..0002113
--- /dev/null
+++ b/me.lua
@@ -0,0 +1,30 @@
+local me = {}
+
+me.name = "bzlead"
+me.lead_ore = "lead-ore"
+me.lead_plate = "lead-plate"
+
+
+function me.more_entities()
+  return me.get_setting("bzlead-more-entities") == "yes"
+end
+
+function me.sulfuric()
+  return me.get_setting("bzlead-sulfuric") == "yes"
+end
+
+function me.get_setting(name)
+  if settings.startup[name] == nil then
+    return nil
+  end
+  return settings.startup[name].value
+end
+
+me.bypass = {}
+if me.get_setting(me.name.."-recipe-bypass") then 
+  for recipe in string.gmatch(me.get_setting(me.name.."-recipe-bypass"), '[^",%s]+') do
+    me.bypass[recipe] = true
+  end
+end
+
+return me
diff --git a/other-entities.lua b/other-entities.lua
index 7ffe703..1637d0c 100644
--- a/other-entities.lua
+++ b/other-entities.lua
@@ -1,7 +1,7 @@
 local leadutil = require("__bzlead__.util");
 require("util")
 
-if leadutil.more_entities() then
+if leadutil.me.more_entities() then
 data:extend({
 
   {
diff --git a/util.lua b/util.lua
index 83f995c..ebd8c84 100644
--- a/util.lua
+++ b/util.lua
@@ -1,29 +1,12 @@
+local me = require("me")
 local util = {}
 
-util.name = "bzlead"
-util.lead_ore = "lead-ore"
-util.lead_plate = "lead-plate"
+util.me = me
+util.get_setting = util.me.get_setting
 
-
-function util.more_entities()
-  return util.get_setting("bzlead-more-entities") == "yes"
-end
-
-function util.sulfuric()
-  return util.get_setting("bzlead-sulfuric") == "yes"
-end
-
-function util.get_setting(name)
-  if settings.startup[name] == nil then
-    return nil
-  end
-  return settings.startup[name].value
-end
-
-local bypass = {}
-if util.get_setting(util.name.."-recipe-bypass") then 
-  for recipe in string.gmatch(util.get_setting(util.name.."-recipe-bypass"), '[^",%s]+') do
-    bypass[recipe] = true
+function util.fe_plus(sub)
+  if mods["FactorioExtended-Plus-"..sub] then
+    return true
   end
 end
 
@@ -92,8 +75,8 @@ end
 
 -- Add a given quantity of ingredient to a given recipe
 function util.add_ingredient(recipe_name, ingredient, quantity)
-  if bypass[recipe_name] then return end
-  if data.raw.recipe[recipe_name] then
+  if me.bypass[recipe_name] then return end
+  if data.raw.recipe[recipe_name] and data.raw.item[ingredient] then
     add_ingredient(data.raw.recipe[recipe_name], ingredient, quantity)
     add_ingredient(data.raw.recipe[recipe_name].normal, ingredient, quantity)
     add_ingredient(data.raw.recipe[recipe_name].expensive, ingredient, quantity)
@@ -115,7 +98,7 @@ end
 -- Add a given quantity of product to a given recipe. 
 -- Only works for recipes with multiple products
 function util.add_product(recipe_name, product)
-  if data.raw.recipe[recipe_name] then
+  if data.raw.recipe[recipe_name] and data.raw.item[product] then
     add_product(data.raw.recipe[recipe_name], product)
     add_product(data.raw.recipe[recipe_name].normal, product)
     add_product(data.raw.recipe[recipe_name].expensive, product)
@@ -130,8 +113,8 @@ end
 
 -- Replace one ingredient with another in a recipe
 function util.replace_ingredient(recipe_name, old, new)
-  if bypass[recipe_name] then return end
-  if data.raw.recipe[recipe_name] then
+  if me.bypass[recipe_name] then return end
+  if data.raw.recipe[recipe_name] and data.raw.item[new] then
     replace_ingredient(data.raw.recipe[recipe_name], old, new)
     replace_ingredient(data.raw.recipe[recipe_name].normal, old, new)
     replace_ingredient(data.raw.recipe[recipe_name].expensive, old, new)
@@ -155,7 +138,7 @@ end
 
 -- Remove an ingredient from a recipe
 function util.remove_ingredient(recipe_name, old)
-  if bypass[recipe_name] then return end
+  if me.bypass[recipe_name] then return end
   if data.raw.recipe[recipe_name] then
     remove_ingredient(data.raw.recipe[recipe_name], old)
     remove_ingredient(data.raw.recipe[recipe_name].normal, old)
@@ -178,11 +161,10 @@ function remove_ingredient(recipe, old)
   end
 end
 
-
 -- Replace an amount of an ingredient in a recipe. Keep at least 1 of old.
 function util.replace_some_ingredient(recipe_name, old, old_amount, new, new_amount)
-  if bypass[recipe_name] then return end
-  if data.raw.recipe[recipe_name] then
+  if me.bypass[recipe_name] then return end
+  if data.raw.recipe[recipe_name] and data.raw.item[new] then
     replace_some_ingredient(data.raw.recipe[recipe_name], old, old_amount, new, new_amount)
     replace_some_ingredient(data.raw.recipe[recipe_name].normal, old, old_amount, new, new_amount)
     replace_some_ingredient(data.raw.recipe[recipe_name].expensive, old, old_amount, new, new_amount)
@@ -198,11 +180,9 @@ function replace_some_ingredient(recipe, old, old_amount, new, new_amount)
       end
     end
 		for i, ingredient in pairs(recipe.ingredients) do 
-			-- For final fixes
 			if ingredient.name == old then
         ingredient.amount = math.max(1, ingredient.amount - old_amount)
       end
-			-- For updates
 			if ingredient[1] == old then
         ingredient[2] = math.max(1, ingredient[2] - old_amount)
       end
@@ -213,7 +193,7 @@ end
 
 -- multiply the cost, energy, and results of a recipe by a multiple
 function util.multiply_recipe(recipe_name, multiple)
-  if bypass[recipe_name] then return end
+  if me.bypass[recipe_name] then return end
   if data.raw.recipe[recipe_name] then
     multiply_recipe(data.raw.recipe[recipe_name], multiple)
     multiply_recipe(data.raw.recipe[recipe_name].normal, multiple)
@@ -265,14 +245,108 @@ function multiply_recipe(recipe, multiple)
   end
 end
 
--- Remove an element of type t and name from data.raw
-function util.remove_raw(t, name)
-  for i, elem in pairs(data.raw[t]) do
-    if elem.name == name then 
-      data.raw[t][i] = nil
-      break
+-- Returns true if a recipe has an ingredient
+function util.has_ingredient(recipe_name, ingredient)
+  return data.raw.recipe[recipe_name] and (
+        has_ingredient(data.raw.recipe[recipe_name], ingredient) or
+        has_ingredient(data.raw.recipe[recipe_name].normal, ingredient))
+end
+
+function has_ingredient(recipe, ingredient)
+  if recipe ~= nil and recipe.ingredients ~= nil then
+    for i, existing in pairs(recipe.ingredients) do
+      if existing[1] == ingredient or existing.name == ingredient then
+        return true
+      end
+    end
+  end
+  return false
+end
+
+-- Replace one product with another in a recipe
+function util.replace_product(recipe_name, old, new)
+  if data.raw.recipe[recipe_name] then
+    replace_product(data.raw.recipe[recipe_name], old, new)
+    replace_product(data.raw.recipe[recipe_name].normal, old, new)
+    replace_product(data.raw.recipe[recipe_name].expensive, old, new)
+  end
+end
+
+function replace_product(recipe, old, new)
+  if recipe ~= nil and recipe.results ~= nil then
+    if recipe.result == old then
+      recipe.results = new
+      return
+    end
+    for i, result in pairs(recipe.results) do
+			if result.name == old then result.name = new end
+			if result[1] == old then result[1] = new end
     end
   end
 end
 
+-- Remove an element of type t and name from data.raw
+function util.remove_raw(t, name)
+  if data.raw[t][name] then
+    for i, elem in pairs(data.raw[t]) do
+      if elem.name == name then 
+        data.raw[t][i] = nil
+        break
+      end
+    end
+  end
+end
+
+-- Multiply energy required
+function util.multiply_time(recipe, factor)
+  if me.bypass[recipe_name] then return end
+  if data.raw.recipe[recipe_name] then
+    multiply_time(data.raw.recipe[recipe_name], factor)
+    multiply_time(data.raw.recipe[recipe_name].normal, factor)
+    multiply_time(data.raw.recipe[recipe_name].expensive, factor)
+	end
+end
+
+function multiply_time(recipe, factor)
+  if recipe then
+    if recipe.energy_required then
+      recipe.energy_required = recipe.energy_required * factor
+    end
+  end
+end
+
+-- Set recipe category
+function util.set_category(recipe, category)
+   if me.bypass[recipe_name] then return end
+   if data.raw.recipe[recipe] then
+      data.raw.recipe[recipe].category = category
+   end
+end
+
+-- Set recipe subgroup
+function util.set_subgroup(recipe, subgroup)
+   if me.bypass[recipe_name] then return end
+   if data.raw.recipe[recipe] then
+      data.raw.recipe[recipe].subgroup = subgroup
+   end
+end
+
+function util.set_to_founding(recipe)
+  util.set_category(recipe, "founding")
+  util.set_subgroup(recipe, "foundry-intermediate")
+end
+
+-- Add crafting category to an entity
+function util.add_crafting_category(entity_type, entity, category)
+   if data.raw[entity_type][entity] then
+      for i, existing in pairs(data.raw[entity_type][entity].crafting_categories) do
+        if existing == category then
+          log(entity.." not adding "..new.." -- duplicate")
+          return
+        end
+      end
+      table.insert(data.raw[entity_type][entity].crafting_categories, category)
+   end
+end
+
 return util