Salmon and Asparagus foil wraps with Garlic Lemon Butter Sauce

Ingredients:

For the Garlic Lemon Butter Sauce:

1⁄2 cup (1 stick/113g) unsalted butter, melted

4 cloves garlic, minced

Zest and juice of 1 lemon

2 tablespoons fresh parsley, chopped

Salt and black pepper, to taste

For the Salmon and Asparagus:

4 salmon fillets (about 6-8 ounces/170-227g each)

1 bunch asparagus, tough ends trimmed

Salt and black pepper, to taste

4 large squares of aluminum foil (about 12×12 inches/30x30cm)