Strawberries Romanoff

Bahan-bahan (8 porsi)

• 1 1/2 lbs or 2 pints fresh strawberries, hulled and quartered
• 4 Tbsp granulated sugar
• 4 Tbsp grand marnier* orange liqueur
• 1 cup cold heavy whipping cream
• 1/4 cup powdered sugar
• 1/4 cup sour cream