Foil Wrapped Side of Salmon with Lemon and Rosemary

Ingredients:

• 1 whole side salmon, scaled, with skin, pin bones removed (2 1/2 to 3 pounds)
• 2 teaspoons kosher salt
• 1 teaspoon freshly ground white pepper
• 1 teaspoon coarsely chopped fresh rosemary leaves
• 1 lemon, very thinly sliced
• 1/2 small red onion, thinly sliced
• 8 cloves garlic, thinly sliced
• 1/4 cup extra-virgin olive oil

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