diff --git a/libraries/plistbuddy.rb b/libraries/plistbuddy.rb
new file mode 100644
index 00000000..e4fe683d
--- /dev/null
+++ b/libraries/plistbuddy.rb
@@ -0,0 +1,32 @@
+module MacOS
+  module PlistBuddyHelpers
+    def convert_to_string_from_data_type(value)
+      data_type_cases = { Array => "array #{value}",
+                          Integer => "int #{value}",
+                          TrueClass => "bool #{value}",
+                          FalseClass => "bool #{value}",
+                          Hash => "dict #{value}",
+                          String => "string #{value}",
+                          Float => "float #{value}" }
+      data_type_cases[value.class]
+    end
+
+    def format_plistbuddy_command(action_property, plist_entry, plist_value = nil)
+      plist_value = args_formatter(action_property, plist_value)
+      "/usr/libexec/Plistbuddy -c \'#{action_property.to_s.capitalize} :#{plist_entry} #{plist_value}\'"
+    end
+
+    private
+
+    def args_formatter(action_property, plist_value)
+      if action_property == :add
+        convert_to_string_from_data_type plist_value
+      else
+        plist_value
+      end
+    end
+  end
+end
+
+Chef::Recipe.include(MacOS::PlistBuddyHelpers)
+Chef::Resource.include(MacOS::PlistBuddyHelpers)
diff --git a/resources/plistbuddy.rb b/resources/plistbuddy.rb
new file mode 100644
index 00000000..fa052905
--- /dev/null
+++ b/resources/plistbuddy.rb
@@ -0,0 +1,34 @@
+resource_name :plistbuddy
+
+property :path, String, name_property: true
+property :entry, String, required: true
+property :value, [Hash, String, Array, TrueClass, FalseClass, Integer, Float]
+
+default_action :set
+
+action_class do
+  def entry_missing?
+    command = format_plistbuddy_command(:print, new_resource.entry, new_resource.value)
+    full_command = command + ' ' + new_resource.path
+    shell_out(full_command).error?
+  end
+
+  def current_entry_value
+    command = format_plistbuddy_command(:print, new_resource.entry)
+    full_command = command + ' ' + new_resource.path
+    shell_out(full_command).stdout.chomp
+  end
+end
+
+action :set do
+  if entry_missing?
+    execute format_plistbuddy_command(:add, new_resource.entry, new_resource.value) + ' ' + new_resource.path
+    execute format_plistbuddy_command(:set, new_resource.entry, new_resource.value) + ' ' + new_resource.path
+  elsif current_entry_value != new_resource.value.to_s
+    execute format_plistbuddy_command(:set, new_resource.entry, new_resource.value) + ' ' + new_resource.path
+  end
+end
+
+action :delete do
+  execute format_plistbuddy_command(:delete, new_resource.entry, new_resource.value) + ' ' + new_resource.path
+end
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 1dd5126b..08509c91 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -1,2 +1,5 @@
 require 'chefspec'
 require 'chefspec/berkshelf'
+
+require_relative '../libraries/plistbuddy'
+require_relative '../libraries/xcode'
diff --git a/spec/unit/libraries/plistbuddy_spec.rb b/spec/unit/libraries/plistbuddy_spec.rb
new file mode 100644
index 00000000..ac11c30c
--- /dev/null
+++ b/spec/unit/libraries/plistbuddy_spec.rb
@@ -0,0 +1,55 @@
+require 'spec_helper'
+
+include MacOS::PlistBuddyHelpers
+
+describe MacOS::PlistBuddyHelpers, '#format_plistbuddy_command' do
+  context 'Adding a value to a plist' do
+    it 'the bool arguments contain the data type' do
+      expect(format_plistbuddy_command(:add, 'FooEntry', true)).to eq "/usr/libexec/Plistbuddy -c 'Add :FooEntry bool true'"
+    end
+
+    it 'the int arguments contain the data type' do
+      expect(format_plistbuddy_command(:add, 'QuuxEntry', 50)).to eq "/usr/libexec/Plistbuddy -c 'Add :QuuxEntry int 50'"
+    end
+
+    it 'the delete command is formatted properly' do
+      expect(format_plistbuddy_command(:delete, 'BarEntry')).to eq "/usr/libexec/Plistbuddy -c 'Delete :BarEntry '"
+    end
+
+    it 'the set command is formatted properly' do
+      expect(format_plistbuddy_command(:set, 'BazEntry', false)).to eq "/usr/libexec/Plistbuddy -c 'Set :BazEntry false'"
+    end
+
+    it 'the print command is formatted properly' do
+      expect(format_plistbuddy_command(:print, 'QuxEntry')).to eq "/usr/libexec/Plistbuddy -c 'Print :QuxEntry '"
+    end
+  end
+end
+
+describe MacOS::PlistBuddyHelpers, '#convert_to_string_from_data_type' do
+  context 'When given a certain data type' do
+    it 'returns the required PlistBuddy boolean entry' do
+      expect(convert_to_string_from_data_type(true)).to eq 'bool true'
+    end
+
+    xit 'returns the required PlistBuddy array entry' do # TODO: Implement proper plist array syntax (i.e. containers)
+      expect(convert_to_string_from_data_type(%w(foo bar))).to eq 'array foo bar'
+    end
+
+    xit 'returns the required PlistBuddy dictionary entry' do # TODO: Implement proper plist dict syntax (i.e. containers)
+      expect(convert_to_string_from_data_type('baz' => 'qux')).to eq 'dict key value'
+    end
+
+    it 'returns the required PlistBuddy string entry' do
+      expect(convert_to_string_from_data_type('quux')).to eq 'string quux'
+    end
+
+    it 'returns the required PlistBuddy int entry' do
+      expect(convert_to_string_from_data_type(1)).to eq 'int 1'
+    end
+
+    it 'returns the required PlistBuddy float entry' do
+      expect(convert_to_string_from_data_type(1.0)).to eq 'float 1.0'
+    end
+  end
+end
diff --git a/spec/unit/recipes/plistbuddy_spec.rb b/spec/unit/recipes/plistbuddy_spec.rb
new file mode 100644
index 00000000..df3ad1c3
--- /dev/null
+++ b/spec/unit/recipes/plistbuddy_spec.rb
@@ -0,0 +1,14 @@
+require 'spec_helper'
+
+describe 'macos::default' do
+  context 'When all attributes are default, on macOS 10.12' do
+    let(:chef_run) do
+      runner = ChefSpec::ServerRunner.new(platform: 'mac_os_x', version: '10.12')
+      runner.converge(described_recipe)
+    end
+
+    it 'converges successfully' do
+      expect { chef_run }.to_not raise_error
+    end
+  end
+end
diff --git a/test/cookbooks/plistbuddy/.gitignore b/test/cookbooks/plistbuddy/.gitignore
new file mode 100644
index 00000000..17de6c82
--- /dev/null
+++ b/test/cookbooks/plistbuddy/.gitignore
@@ -0,0 +1,103 @@
+*~
+*#
+.#*
+\#*#
+.*.sw[a-z]
+*.un~
+
+# Bundler
+Gemfile
+Gemfile.lock
+bin/*
+.bundle/*
+
+# test kitchen
+.kitchen/
+.kitchen.local.yml
+
+# Chef
+Berksfile.lock
+.zero-knife.rb
+Policyfile.lock.json
+.autotest
+coverage
+.DS_Store
+pkg/*
+tags
+*/tags
+.chef
+results
+
+# You should check in your Gemfile.lock in applications, and not in gems
+external_tests/*.lock
+/Gemfile.local
+
+# ignore some common Bundler 'binstubs' directory names
+# http://gembundler.com/man/bundle-exec.1.html
+b/
+binstubs/
+.bundle
+# RVM and RBENV ruby version files
+.rbenv-version
+.rvmrc
+.ruby-version
+.ruby-gemset
+
+# IDE files
+.project
+
+# Documentation
+_site/*
+.yardoc/
+doc/
+
+# Kitchen Tests Local Mode Data
+kitchen-tests/nodes/*
+
+# Temporary files present during spec runs
+spec/data/test-dir
+spec/data/nodes
+/config/
+
+# acceptance binstubs
+acceptance/bin/*
+
+vendor/
+acceptance/vendor
+kitchen-tests/vendor
+
+# Visual Studio Code files
+.vscode
+# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio and Webstorm
+.idea
+
+# CMake
+cmake-build-debug/
+
+## File-based project format:
+*.iws
+
+## Plugin-specific files:
+
+# IntelliJ
+out/
+
+# mpeltonen/sbt-idea plugin
+.idea_modules/
+
+# JIRA plugin
+atlassian-ide-plugin.xml
+
+# Crashlytics plugin (for Android Studio and IntelliJ)
+com_crashlytics_export_strings.xml
+crashlytics.properties
+crashlytics-build.properties
+fabric.properties
+
+# Testing
+*.box
+berks-cookbooks
+Vagrantfile
+.rubocop.yml
+.vagrant
+data_bags
diff --git a/test/cookbooks/plistbuddy/Berksfile b/test/cookbooks/plistbuddy/Berksfile
new file mode 100644
index 00000000..0fac3b01
--- /dev/null
+++ b/test/cookbooks/plistbuddy/Berksfile
@@ -0,0 +1,5 @@
+source 'https://supermarket.chef.io'
+
+metadata
+
+cookbook 'macos', path: '../../../../macos/'
diff --git a/test/cookbooks/plistbuddy/metadata.rb b/test/cookbooks/plistbuddy/metadata.rb
new file mode 100644
index 00000000..21d229d5
--- /dev/null
+++ b/test/cookbooks/plistbuddy/metadata.rb
@@ -0,0 +1,4 @@
+name 'plistbuddy'
+version '1.0.0'
+
+depends 'macos', '0.8.4'
diff --git a/test/cookbooks/plistbuddy/recipes/customize_dock.rb b/test/cookbooks/plistbuddy/recipes/customize_dock.rb
new file mode 100644
index 00000000..73f05800
--- /dev/null
+++ b/test/cookbooks/plistbuddy/recipes/customize_dock.rb
@@ -0,0 +1,4 @@
+plistbuddy '/Users/vagrant/Library/Preferences/com.apple.dock.plist' do
+  entry 'showMissionControlGestureEnabled'
+  value false
+end
diff --git a/test/cookbooks/plistbuddy/recipes/default.rb b/test/cookbooks/plistbuddy/recipes/default.rb
new file mode 100644
index 00000000..0d12f25f
--- /dev/null
+++ b/test/cookbooks/plistbuddy/recipes/default.rb
@@ -0,0 +1,2 @@
+include_recipe 'plistbuddy::customize_dock'
+include_recipe 'plistbuddy::show_hidden_files'
diff --git a/test/cookbooks/plistbuddy/recipes/show_hidden_files.rb b/test/cookbooks/plistbuddy/recipes/show_hidden_files.rb
new file mode 100644
index 00000000..5dcd3662
--- /dev/null
+++ b/test/cookbooks/plistbuddy/recipes/show_hidden_files.rb
@@ -0,0 +1,4 @@
+plistbuddy '/Users/vagrant/Library/Preferences/com.apple.finder.plist' do
+  entry 'AppleShowAllFiles'
+  value true
+end
diff --git a/test/cookbooks/plistbuddy/test/smoke/default/default_test.rb b/test/cookbooks/plistbuddy/test/smoke/default/default_test.rb
new file mode 100644
index 00000000..c86f1025
--- /dev/null
+++ b/test/cookbooks/plistbuddy/test/smoke/default/default_test.rb
@@ -0,0 +1,7 @@
+describe command("/usr/libexec/PlistBuddy -c 'Print :showMissionControlGestureEnabled' /Users/vagrant/Library/Preferences/com.apple.dock.plist") do
+  its('stdout') { should match 'false' }
+end
+
+describe command("/usr/libexec/PlistBuddy -c 'Print :AppleShowAllFiles' /Users/vagrant/Library/Preferences/com.apple.finder.plist") do
+  its('stdout') { should match 'true' }
+end
diff --git a/test/smoke/default/xcode_test.rb b/test/smoke/default/xcode_test.rb
index b34ada6a..e3b7cd61 100644
--- a/test/smoke/default/xcode_test.rb
+++ b/test/smoke/default/xcode_test.rb
@@ -11,6 +11,6 @@
   end
 
   describe command('/usr/local/bin/xcversion simulators') do
-    its('stdout') { should match /iOS 10\.3\.1 Simulator \(installed\)/ }
+    its('stdout') { should match(/iOS 10\.3\.1 Simulator \(installed\)/) }
   end
 end