Sauteed Shrimp and Spinach

Bought some fresh spinach yesterday and wanted to have it today for lunch with something quick and easy, so I made this, and it was a hit:

Ingredients 

1 tablespoon olive oil
1/4 cup lemon juice
1/4 cup olive oil
3 garlic cloves, minced
1/4 teaspoon coarse black pepper
1/4 teaspoon sea salt
2 teaspoons lemons, zest of
2 lb (1 kg) medium shrimp, peeled and deveined
3 bunches fresh spinach, washed and lightly steamed/wilted and chopped

Directions 

Stir together garlic, pepper, salt and lemon zest.
Blend in lemon juice and olive oil.
Set aside.
Heat 1 tablespoon olive oil in skillet over medium-high heat.
Add the shrimp, and cook for 2-4 minutes until pink.
Stir in the spinach and cook just for a few more seconds.
Stir in the lemon-olive oil mixture.
Toss well.
Serve immediately.

(adapted from http://www.food.com/recipefullpage.do?rid=112371)