New England Style Clam Chowder

Name: New England Style Clam Chowder
Ingredients: 8 slices bacon; 2 tablespoons unsalted butter; 1 medium yellow onion (diced); 2 cloves garlic (minced); 1 teaspoon thyme (or 1/2 teaspoon dried thyme); 1 teaspoon sage (or 1/2 teaspoon dried sage, optional); 3 tablespoons all-purpose flour; 1 cup whole milk; 1/2 teaspoon chicken bouillon powder (Knorr or Dasida brand); 1 cup vegetable stock; 13 ounces chopped clams, juices reserved ((2x6.5 ounce cans)); 1 bay leaf; 3 medium Russet potatoes (peeled and diced into 1/2 inch cubes); 1 cup half and half; 1/2 teaspoon kosher salt; 1/4 teaspoon fresh cracked black peppercorn (or 1/8 teaspoon black pepper); 1 tablespoons white wine vinegar ((optional)); 1/4 cup parsley leaves (chopped); 1/2 cup torn croutons (for garnish)