Shrimp Marsala - Fresh-Pressed Olive Oil

Ingredients

• 1 1/2 pounds peeled raw shrimp, rinsed and patted dry
• 1/4 cup all-purpose flour, more if needed
• 4 tablespoons extra virgin olive oil, divided use
• 12 ounces cremini mushrooms, cleaned, trimmed, and thickly sliced
• 2 tablespoons coarsely chopped peeled garlic (5 to 6 cloves)
• 1/2 cup Marsala wine
• 1/4 cup dry white wine
• 1 tablespoon butter
• 2 tablespoons chopped fresh flat-leaf parsley