This Slow Cooker Lemon Butter Salmon is a simple yet refined dish that cooks the fish gently inside a parchment “packet,” keeping it moist and delicate. The blend of butter, lemon, and garlic creates a light, balanced sauce that complements the salmon’s natural richness without overwhelming it. Cooking at a low temperature ensures a tender, flaky texture—an easy way to bring a restaurant-quality meal to your table.