diff --git a/src/SamplesApp/UITests.Shared/Microsoft_UI_Xaml_Controls/ExpanderTests/Expander_Bindings_TemplatedControl.xaml b/src/SamplesApp/UITests.Shared/Microsoft_UI_Xaml_Controls/ExpanderTests/Expander_Bindings_TemplatedControl.xaml
new file mode 100644
index 000000000000..a5b63e36ea6c
--- /dev/null
+++ b/src/SamplesApp/UITests.Shared/Microsoft_UI_Xaml_Controls/ExpanderTests/Expander_Bindings_TemplatedControl.xaml
@@ -0,0 +1,99 @@
+<UserControl
+    x:Class="UITests.Shared.Microsoft_UI_Xaml_Controls.ExpanderTests.Expander_Bindings_TemplatedControl"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:local="using:UITests.Shared.Microsoft_UI_Xaml_Controls.ExpanderTests"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    mc:Ignorable="d"
+    d:DesignHeight="300"
+    d:DesignWidth="400">
+	<UserControl.Resources>
+		<ResourceDictionary>
+			<Style BasedOn="{StaticResource DefaultSettingsExpanderStyle}"
+           TargetType="local:SettingsExpander" />
+
+			<Style x:Key="DefaultSettingsExpanderStyle"
+           TargetType="local:SettingsExpander">
+				<Style.Setters>
+					<Setter Property="Background" Value="{ThemeResource SettingsCardBackground}" />
+					<Setter Property="Foreground" Value="{ThemeResource SettingsCardForeground}" />
+					<Setter Property="BorderBrush" Value="{ThemeResource SettingsCardBorderBrush}" />
+					<Setter Property="BorderThickness" Value="{ThemeResource SettingsCardBorderThickness}" />
+					<Setter Property="CornerRadius" Value="{ThemeResource ControlCornerRadius}" />
+					<Setter Property="MinHeight" Value="{ThemeResource SettingsCardMinHeight}" />
+					<Setter Property="MinWidth" Value="{ThemeResource SettingsCardMinWidth}" />
+					<Setter Property="IsTabStop" Value="False" />
+					<Setter Property="HorizontalAlignment" Value="Stretch" />
+					<Setter Property="HorizontalContentAlignment" Value="Stretch" />
+					<Setter Property="VerticalAlignment" Value="Center" />
+					<Setter Property="BackgroundSizing" Value="InnerBorderEdge" />
+					<Setter Property="Padding" Value="{ThemeResource SettingsExpanderHeaderPadding}" />
+					<Setter Property="FontFamily" Value="{ThemeResource ContentControlThemeFontFamily}" />
+					<Setter Property="FontWeight" Value="Normal" />
+					<Setter Property="FontSize" Value="{ThemeResource ControlContentThemeFontSize}" />
+					<Setter Property="UseSystemFocusVisuals" Value="{StaticResource UseSystemFocusVisuals}" />
+					<Setter Property="FocusVisualMargin" Value="-3" />
+					<Setter Property="Template">
+						<Setter.Value>
+							<ControlTemplate TargetType="local:SettingsExpander">
+								<Expander MinWidth="{TemplateBinding MinWidth}"
+                                       x:Name="PART_Expander"
+                                       MinHeight="{TemplateBinding MinHeight}"
+                                       HorizontalAlignment="{TemplateBinding HorizontalAlignment}"
+                                       HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}"
+                                       CornerRadius="{TemplateBinding CornerRadius}"
+                                       IsExpanded="{Binding IsExpanded, Mode=TwoWay, RelativeSource={RelativeSource TemplatedParent}}">
+									<Expander.Header>
+										<Border Background="Purple">
+											<Grid>
+												<Grid.RowDefinitions>
+													<RowDefinition Height="Auto" />
+													<RowDefinition Height="Auto" />
+												</Grid.RowDefinitions>
+												<TextBlock Text="{TemplateBinding Header}"
+														   Foreground="Red"
+														   x:Name="PPT_TextBlock"
+														   FontFamily="{TemplateBinding FontFamily}"
+														   FontSize="28"/>
+												<TextBlock Text="On the Header"
+														   Foreground="White"
+														   Grid.Row="1"
+														   FontFamily="{TemplateBinding FontFamily}"
+														   FontSize="14"/>
+											</Grid>
+										</Border>
+									</Expander.Header>
+									<Expander.Content>
+										<Border Background="Gray">
+											<Grid>
+												<Grid.RowDefinitions>
+													<RowDefinition Height="Auto" />
+													<RowDefinition Height="Auto" />
+												</Grid.RowDefinitions>
+												<TextBlock Text="{TemplateBinding Header}"
+														Foreground="Red"
+														x:Name="PPT_TextBlock2"
+														FontFamily="{TemplateBinding FontFamily}"
+														FontSize="28"/>
+												<TextBlock Text="On the Content"
+														   Foreground="White"
+														   Grid.Row="1"
+														   FontFamily="{TemplateBinding FontFamily}"
+														   FontSize="14"/>
+											</Grid>
+										</Border>
+									</Expander.Content>
+								</Expander>
+							</ControlTemplate>
+						</Setter.Value>
+					</Setter>
+				</Style.Setters>
+			</Style>
+		</ResourceDictionary>
+	</UserControl.Resources>
+	<Grid>
+		<local:SettingsExpander Header="Hello From Header in Custom Control"
+								IsExpanded="False"/>
+    </Grid>
+</UserControl>
diff --git a/src/SamplesApp/UITests.Shared/Microsoft_UI_Xaml_Controls/ExpanderTests/Expander_Bindings_TemplatedControl.xaml.cs b/src/SamplesApp/UITests.Shared/Microsoft_UI_Xaml_Controls/ExpanderTests/Expander_Bindings_TemplatedControl.xaml.cs
new file mode 100644
index 000000000000..1f820df6b935
--- /dev/null
+++ b/src/SamplesApp/UITests.Shared/Microsoft_UI_Xaml_Controls/ExpanderTests/Expander_Bindings_TemplatedControl.xaml.cs
@@ -0,0 +1,53 @@
+#nullable enable
+using Uno.UI.Samples.Controls;
+using Microsoft.UI.Xaml.Automation.Peers;
+using Microsoft.UI.Xaml.Controls;
+using Microsoft.UI.Xaml.Controls.Primitives;
+using Microsoft.UI.Xaml;
+using Microsoft.Graph.Models;
+using System;
+
+// The User Control item template is documented at https://go.microsoft.com/fwlink/?LinkId=234236
+
+namespace UITests.Shared.Microsoft_UI_Xaml_Controls.ExpanderTests;
+
+[Sample("Expander", "MUX", Name = "Expander_Bindings_TemplatedControl", isManualTest: true)]
+public sealed partial class Expander_Bindings_TemplatedControl : UserControl
+{
+	public Expander_Bindings_TemplatedControl()
+	{
+		this.InitializeComponent();
+	}
+}
+
+public partial class SettingsExpander : Control
+{
+	public SettingsExpander() { }
+
+	public object Header
+	{
+		get => (object)GetValue(HeaderProperty);
+		set => SetValue(HeaderProperty, value);
+	}
+
+	public bool IsExpanded
+	{
+		get => (bool)GetValue(IsExpandedProperty);
+		set => SetValue(IsExpandedProperty, value);
+	}
+	protected virtual void OnIsExpandedPropertyChanged(bool oldValue, bool newValue)
+	{
+	}
+
+	public static readonly DependencyProperty HeaderProperty = DependencyProperty.Register(
+		nameof(Header),
+		typeof(object),
+		typeof(SettingsExpander),
+		new PropertyMetadata(defaultValue: null));
+
+	public static readonly DependencyProperty IsExpandedProperty = DependencyProperty.Register(
+		 nameof(IsExpanded),
+		 typeof(bool),
+		 typeof(SettingsExpander),
+		 new PropertyMetadata(defaultValue: false, (d, e) => ((SettingsExpander)d).OnIsExpandedPropertyChanged((bool)e.OldValue, (bool)e.NewValue)));
+}
diff --git a/src/SamplesApp/UITests.Shared/UITests.Shared.projitems b/src/SamplesApp/UITests.Shared/UITests.Shared.projitems
index 13e2c051e4cd..0015b95ca483 100644
--- a/src/SamplesApp/UITests.Shared/UITests.Shared.projitems
+++ b/src/SamplesApp/UITests.Shared/UITests.Shared.projitems
@@ -66,6 +66,10 @@
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
     </Page>
+    <Page Include="$(MSBuildThisFileDirectory)Microsoft_UI_Xaml_Controls\ExpanderTests\Expander_Bindings_TemplatedControl.xaml">
+      <SubType>Designer</SubType>
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
     <Page Include="$(MSBuildThisFileDirectory)Microsoft_UI_Xaml_Controls\ImageIconTests\ImageIconPage.xaml">
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
@@ -5461,6 +5465,9 @@
     <Compile Include="$(MSBuildThisFileDirectory)Helpers\UWPViewHelper.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Helpers\ViewModelBase.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Helpers\WaitableSampleImageHelpers.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)Microsoft_UI_Xaml_Controls\ExpanderTests\Expander_Bindings_TemplatedControl.xaml.cs">
+      <DependentUpon>Expander_Bindings_TemplatedControl.xaml</DependentUpon>
+    </Compile>
     <Compile Include="$(MSBuildThisFileDirectory)Microsoft_UI_Xaml_Controls\ItemsViewTests\LoggingContentControl.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Microsoft_UI_Xaml_Controls\ItemsViewTests\Recipe.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Lottie\LottieEmbeddedJson.xaml.cs">