01 - Preheat oven to 400°F. Line a baking sheet with parchment paper or lightly grease it.
02 - In a small bowl, whisk together Dijon mustard, honey, whole grain mustard if using, lemon juice, olive oil, minced garlic, salt, and black pepper until smooth.
03 - Pat salmon fillets dry with paper towels and place them skin-side down on the prepared baking sheet.
04 - Brush the honey mustard glaze generously over each fillet, covering tops and sides.
05 - Bake for 12 to 15 minutes, until salmon flakes easily with a fork and reaches an internal temperature of 145°F.
06 - Remove from oven, garnish with chopped parsley, and serve with lemon wedges.