Fresh Creamed Spinach

Ingredients (9)

• 2 tablespoons unsalted butter
• 1 medium yellow onion, finely chopped
• 1/2 teaspoon fine salt
• Freshly ground black pepper
• Tiny pinch of cayenne pepper (optional, for subtle heat)
• 16 ounces baby spinach
• 4 cloves garlic, pressed or minced
• 4 ounces cream cheese, cut into 1-inch chunks
• 1/4 cup freshly grated Parmesan cheese