01 - Melt the unsalted butter in a medium saucepan over medium heat.
02 - Add the minced garlic and sauté for 1 minute until fragrant without browning.
03 - Pour in the heavy cream and bring to a gentle simmer, stirring frequently.
04 - Reduce heat, whisk in the grated Parmesan until fully melted and smooth.
05 - Season with salt, freshly ground black pepper, and nutmeg if desired.
06 - Simmer gently for 2 to 3 minutes, stirring constantly until sauce thickens.
07 - Remove from heat and serve immediately over pasta, chicken, or vegetables.