Manhattan Clam Chowder with Crispy Prosciutto

Name: Manhattan Clam Chowder with Crispy Prosciutto
Ingredients: 4 slices Prosciutto di Parma, chopped; 1 tablespoon olive oil; 1 pound baby potatoes, cut in bite size pieces; 2 carrots, peeled and sliced; 2 stalks celery, sliced; 1 onion, chopped; 2 bay leaves; 1 clove garlic, minced; ½ teaspoon dried thyme; ½ teaspoon kosher salt; 2 bottles (8 ounces each) clam juice; 1 can (15 ounces) crushed tomatoes; 2 cans (6.5 ounces each) baby clams with their juices; 1 dozen littleneck clams; Tabasco or hot sauce to taste; ¼ cup chopped flat leaf parsley