Good Green Fish Packet

1/4 cup extra-virgin olive oil

4 large garlic cloves, minced

Coarse sea salt

1/2 bunch thick asparagus (about 8 spears), trimmed and cut into 1-inch diagonals

3/4 to 1 pound tilapia filets, rinsed, patted dry, cut in half lengthwise, and cut

1 packed cup minced spinach

1/4 packed cup minced flat-leaf parsley

Freshly ground white pepper