In large skillet, add the olive oil and garlic. Warm over medium heat for 5 minutes, remove. Add the shrimp and stir to coat. Cook over medium heat for 6 to 9 minutes, or until the shrimp are thoroughly cooked. Add the vinegar and stir to coat.
Remove the shrimp from the skillet and place in a serving bowl. Set aside
Place the butter into the skillet and melt. Add the bread to the skillet and stir to coat with the butter. Cook until crispy and golden, about 5 minutes. Stir occasionally. Place the toasted bread into the bowl with the shrimp.
Add the prosciutto, basil and parmesan cheese to the shrimp and bread mixture. Stir to coat. Serve immediately.