– 6 oz. spaghetti – ▢2 tablespoons olive oil – ▢4 cloves garlic (minced) – ▢8 oz. jumbo shrimp, peeled, deveined, tail-on – ▢1 cup pasta water – ▢1/4 cup heavy whipping cream – ▢2 tablespoons white wine (optional) – ▢1 tablespoon butter – ▢1/2 teaspoon salt or to taste – ▢1/4 teaspoon cayenne pepper – ▢1/2 tablespoon lemon juice – ▢2 cups baby spinach – ▢1/2 tablespoon chopped Italian flat-leaf parsley – ▢Lemon wedges