Sheet-Pan Mustard Salmon Dinner

Ingredients (11)

• 1 lemon
• 1/2 lemon
• 1 1/2 tablespoons grainy mustard
• 1 1/2 tablespoons dijon mustard
• 1/4 cup fresh dill
• Kosher salt and freshly ground black pepper
• 1 2- pound filet steelhead or King salmon
• 1 1/2 pounds small new potatoes
• 1 pound thin stalk asparagus
• 4-6 cloves garlic
• 2 tablespoons olive oil