diff --git a/app/Filament/User/Resources/SpiceResource.php b/app/Filament/User/Resources/SpiceResource.php
index 93a624d..cc8cefc 100644
--- a/app/Filament/User/Resources/SpiceResource.php
+++ b/app/Filament/User/Resources/SpiceResource.php
@@ -21,6 +21,7 @@ class SpiceResource extends Resource
     protected static ?string $slug = 'rohstoffe';
     protected static ?string $navigationGroup = 'Lager';
 
+    protected static bool $shouldRegisterNavigation = false;
     protected static ?string $navigationIcon = 'heroicon-o-cube';
 
     public static function form(Form $form): Form
@@ -49,17 +50,13 @@ class SpiceResource extends Resource
             ->columns([
                 Tables\Columns\TextColumn::make('name')
                     ->searchable(),
-                Tables\Columns\TextColumn::make('quantity')->label('Menge lagernd')
-                    ->formatStateUsing(function (Spice $record) {
-                        if ($record->unit == 'grams') {
-                            return ($record->quantity >= 1000) ? round($record->quantity / 1000, 2) . 'kg' : $record->quantity . 'g';
-                        }elseif($record->unit == 'pieces'){
-                            return $record->quantity . ' Stück';
-                        }elseif($record->unit == 'liter'){
-                            return $record->quantity . ' Liter';
-                        }else{
-                            return $record->quantity . ' ' . ucfirst($record->unit);
-                        }
+                Tables\Columns\TextColumn::make('unit')
+                    ->label('Einheit')
+                    ->formatStateUsing(fn ($state) => match($state) {
+                        'grams'  => '(Kilo-)Gramm',
+                        'pieces' => 'Stück',
+                        'liter'  => 'Liter',
+                        default  => ucfirst($state),
                     }),
             ])
             ->filters([
diff --git a/app/Filament/User/Resources/SpiceSupplierResource.php b/app/Filament/User/Resources/SpiceSupplierResource.php
index 0f0acd6..46da964 100644
--- a/app/Filament/User/Resources/SpiceSupplierResource.php
+++ b/app/Filament/User/Resources/SpiceSupplierResource.php
@@ -37,10 +37,25 @@ class SpiceSupplierResource extends Resource
             ->schema([
                 Select::make('spice_id')
                 ->label('Rohstoff')
-                ->relationship('spice', 'name')   
+                ->relationship('spice', 'name')
                 ->required()
-                ->preload()   
-                ->searchable(),  
+                ->preload()
+                ->searchable()
+                ->createOptionForm([
+                    TextInput::make('name')->label('Name')->required()->maxLength(255),
+                    Forms\Components\Select::make('unit')
+                        ->label('Mengeneinheit')
+                        ->native(false)
+                        ->options([
+                            'grams'  => '(Kilo-)Gramm',
+                            'pieces' => 'Stück',
+                            'liter'  => 'Liter',
+                        ])
+                        ->required(),
+                ])
+                ->createOptionUsing(function (array $data) {
+                    return \App\Models\Spice::create($data)->id;
+                }),
             Select::make('supplier_id')
                 ->label('Lieferant')
                 ->relationship('supplier', 'name')