Clam Chowder

Name: Clam Chowder
Ingredients: 3 ounces salt pork, finely diced; 1 1/2 cups small diced yellow onion; 6 cups small diced baking potatoes, like russets; 2 cups milk; 1 (6.5 ounce) can clams, drained, juice reserved; 12 Little Neck clams; Kosher salt and freshly ground pepper; Chopped fresh parsley, for garnish; Sour cream, for garnish; Grape tomatoes, halved, for garnish