diff --git a/shell/platform/darwin/common/framework/Source/FlutterNSBundleUtils.mm b/shell/platform/darwin/common/framework/Source/FlutterNSBundleUtils.mm
index 4198fd33e0209..9582f94e266e1 100644
--- a/shell/platform/darwin/common/framework/Source/FlutterNSBundleUtils.mm
+++ b/shell/platform/darwin/common/framework/Source/FlutterNSBundleUtils.mm
@@ -54,7 +54,7 @@
 }
 
 NSString* FLTAssetPath(NSBundle* bundle) {
-  return [bundle objectForInfoDictionaryKey:@"FLTAssetsPath"] ?: @"flutter_assets";
+  return [bundle objectForInfoDictionaryKey:@"FLTAssetsPath"] ?: kDefaultAssetPath;
 }
 
 NSString* FLTAssetsPathFromBundle(NSBundle* bundle) {
diff --git a/shell/platform/darwin/ios/framework/Source/FlutterDartProjectTest.mm b/shell/platform/darwin/ios/framework/Source/FlutterDartProjectTest.mm
index 19774d21bc52c..aecab91f0051c 100644
--- a/shell/platform/darwin/ios/framework/Source/FlutterDartProjectTest.mm
+++ b/shell/platform/darwin/ios/framework/Source/FlutterDartProjectTest.mm
@@ -102,14 +102,116 @@ - (void)testFLTAssetsURLFromBundle {
     id mockBundle = OCMClassMock([NSBundle class]);
     id mockMainBundle = OCMPartialMock([NSBundle mainBundle]);
     NSString* resultAssetsPath = @"path/to/foo/assets";
-    OCMStub([mockBundle pathForResource:@"flutter_assets" ofType:@""]).andReturn(nil);
-    OCMStub([mockMainBundle pathForResource:@"flutter_assets" ofType:@""])
+    OCMStub([mockBundle pathForResource:@"Frameworks/App.framework/flutter_assets" ofType:@""])
+        .andReturn(nil);
+    OCMStub([mockMainBundle pathForResource:@"Frameworks/App.framework/flutter_assets" ofType:@""])
         .andReturn(resultAssetsPath);
     NSString* path = FLTAssetsPathFromBundle(mockBundle);
     XCTAssertEqualObjects(path, @"path/to/foo/assets");
   }
 }
 
+- (void)testFLTAssetPathReturnsTheCorrectValue {
+  {
+    // Found assets path in info.plist
+    id mockBundle = OCMClassMock([NSBundle class]);
+    OCMStub([mockBundle objectForInfoDictionaryKey:@"FLTAssetsPath"]).andReturn(@"foo/assets");
+    XCTAssertEqualObjects(FLTAssetPath(mockBundle), @"foo/assets");
+  }
+  {
+    // No assets path in info.plist, use default value
+    id mockBundle = OCMClassMock([NSBundle class]);
+    OCMStub([mockBundle objectForInfoDictionaryKey:@"FLTAssetsPath"]).andReturn(nil);
+    XCTAssertEqualObjects(FLTAssetPath(mockBundle), kDefaultAssetPath);
+  }
+}
+
+- (void)testLookUpForAssets {
+  {
+    id mockBundle = OCMPartialMock([NSBundle mainBundle]);
+    // Found assets path in info.plist
+    OCMStub([mockBundle objectForInfoDictionaryKey:@"FLTAssetsPath"]).andReturn(@"foo/assets");
+    NSString* assetsPath = [FlutterDartProject lookupKeyForAsset:@"bar"];
+    // This is testing public API, changing this assert is likely to break plugins.
+    XCTAssertEqualObjects(assetsPath, @"foo/assets/bar");
+    [mockBundle stopMocking];
+  }
+  {
+    id mockBundle = OCMPartialMock([NSBundle mainBundle]);
+    // No assets path in info.plist, use default value
+    OCMStub([mockBundle objectForInfoDictionaryKey:@"FLTAssetsPath"]).andReturn(nil);
+    NSString* assetsPath = [FlutterDartProject lookupKeyForAsset:@"bar"];
+    // This is testing public API, changing this assert is likely to break plugins.
+    XCTAssertEqualObjects(assetsPath, @"Frameworks/App.framework/flutter_assets/bar");
+    [mockBundle stopMocking];
+  }
+}
+
+- (void)testLookUpForAssetsFromBundle {
+  {
+    id mockBundle = OCMClassMock([NSBundle class]);
+    // Found assets path in info.plist
+    OCMStub([mockBundle objectForInfoDictionaryKey:@"FLTAssetsPath"]).andReturn(@"foo/assets");
+    NSString* assetsPath = [FlutterDartProject lookupKeyForAsset:@"bar" fromBundle:mockBundle];
+    // This is testing public API, changing this assert is likely to break plugins.
+    XCTAssertEqualObjects(assetsPath, @"foo/assets/bar");
+  }
+  {
+    // No assets path in info.plist, use default value
+    id mockBundle = OCMClassMock([NSBundle class]);
+    OCMStub([mockBundle objectForInfoDictionaryKey:@"FLTAssetsPath"]).andReturn(nil);
+    NSString* assetsPath = [FlutterDartProject lookupKeyForAsset:@"bar" fromBundle:mockBundle];
+    // This is testing public API, changing this assert is likely to break plugins.
+    XCTAssertEqualObjects(assetsPath, @"Frameworks/App.framework/flutter_assets/bar");
+  }
+}
+
+- (void)testLookUpForAssetsFromPackage {
+  {
+    id mockBundle = OCMPartialMock([NSBundle mainBundle]);
+    // Found assets path in info.plist
+    OCMStub([mockBundle objectForInfoDictionaryKey:@"FLTAssetsPath"]).andReturn(@"foo/assets");
+    NSString* assetsPath = [FlutterDartProject lookupKeyForAsset:@"bar" fromPackage:@"bar_package"];
+    // This is testing public API, changing this assert is likely to break plugins.
+    XCTAssertEqualObjects(assetsPath, @"foo/assets/packages/bar_package/bar");
+    [mockBundle stopMocking];
+  }
+  {
+    id mockBundle = OCMPartialMock([NSBundle mainBundle]);
+    // No assets path in info.plist, use default value
+    OCMStub([mockBundle objectForInfoDictionaryKey:@"FLTAssetsPath"]).andReturn(nil);
+    NSString* assetsPath = [FlutterDartProject lookupKeyForAsset:@"bar" fromPackage:@"bar_package"];
+    // This is testing public API, changing this assert is likely to break plugins.
+    XCTAssertEqualObjects(assetsPath,
+                          @"Frameworks/App.framework/flutter_assets/packages/bar_package/bar");
+    [mockBundle stopMocking];
+  }
+}
+
+- (void)testLookUpForAssetsFromPackageFromBundle {
+  {
+    id mockBundle = OCMClassMock([NSBundle class]);
+    // Found assets path in info.plist
+    OCMStub([mockBundle objectForInfoDictionaryKey:@"FLTAssetsPath"]).andReturn(@"foo/assets");
+    NSString* assetsPath = [FlutterDartProject lookupKeyForAsset:@"bar"
+                                                     fromPackage:@"bar_package"
+                                                      fromBundle:mockBundle];
+    // This is testing public API, changing this assert is likely to break plugins.
+    XCTAssertEqualObjects(assetsPath, @"foo/assets/packages/bar_package/bar");
+  }
+  {
+    id mockBundle = OCMClassMock([NSBundle class]);
+    // No assets path in info.plist, use default value
+    OCMStub([mockBundle objectForInfoDictionaryKey:@"FLTAssetsPath"]).andReturn(nil);
+    NSString* assetsPath = [FlutterDartProject lookupKeyForAsset:@"bar"
+                                                     fromPackage:@"bar_package"
+                                                      fromBundle:mockBundle];
+    // This is testing public API, changing this assert is likely to break plugins.
+    XCTAssertEqualObjects(assetsPath,
+                          @"Frameworks/App.framework/flutter_assets/packages/bar_package/bar");
+  }
+}
+
 - (void)testDisableImpellerSettingIsCorrectlyParsed {
   id mockMainBundle = OCMPartialMock([NSBundle mainBundle]);
   OCMStub([mockMainBundle objectForInfoDictionaryKey:@"FLTEnableImpeller"]).andReturn(@"NO");