Penne Alla Betsy

INGREDIENTS

• 2 tablespoons olive oil
• 1 small onion, finely chopped
• 6 leaves fresh basil, cut in chiffonade
• 1/4 cup chopped fresh flat-leaf parsley
• Milk, for thinning
• 8 ounces large shrimp
• Freshly ground black pepper
• 2 cloves garlic, finely chopped
• Crusty French bread, for serving
• 12 ounces penne pasta
• 1/2 cup white wine, optional
• Two 14.5-ounce cans tomato sauce
• Salt
• 2 tablespoons butter
• 1 cup heavy cream