Crispy Greek Lemon Smashed Potatoes

Bahan-bahan (6 porsi)

• 6 potatoes (medium-sized, Yukon Gold or Carisma)
• 3 tablespoons butter (melted, or 2 tablespoons olive oil)
• 2 tablespoons lemon juice (juice of half a lemon)
• 4 cloves garlic (crushed)
• 2 teaspoons dried oregano (divided)
• 1 pinch salt (to taste)
• 1 pinch pepper (to taste)
• 1 spray olive oil
• 1/2 teaspoon semolina (optional - for crispy potatoes)