Creamy Garlic Mushroom Orzo

Bahan-bahan (3 porsi)

• 8 ounces uncooked orzo
• 3 tablespoons butter, divided
• 1 pound mixed mushrooms, sliced (I used half baby bella, half shiitake)
• 1 large shallot, minced
• 5 large garlic cloves, minced
• 1/2 teaspoon crushed red pepper flakes
• 1/2 cup heavy cream
• fine sea salt and freshly-ground black pepper
• 1 ounce freshly-grated Parmesan cheese
• 2 handfuls fresh baby spinach
• 1/2 cup loosely-packed chopped fresh basil
• zest and juice of 1 small lemon (optional)