Mashed Cauliflower

Bahan-bahan (8 porsi)

• 1 cauliflower (cut into florets, about 3 pounds or 1 1/2 kg)
• 3 tablespoons unsalted butter
• 3 tablespoons sour cream
• 6 cloves garlic (crushed)
• 1/4 cup parmesan cheese
• 1 pinch salt (to taste)
• 1 pinch pepper (to taste)