2 tablespoons olive oil, divided, plus more for drizzling
½ cup dry white wine, divided
3 dozen littleneck clams, scrubbed, divided
3 slices thick-cut bacon, finely chopped
1 large Spanish onion, thinly sliced
1 small shallot, thinly sliced
1 garlic clove, thinly sliced
Kosher salt and freshly ground black pepper, to taste
5 cups corn kernels (about 5 ears corn)
2 cups heavy cream
1 cup water
1 jalapeño, halved and seeded
½ teaspoon cayenne pepper
2 teaspoons granulated sugar
3 thyme sprigs
1 rosemary sprig
1 bay leaf
1 large russet potato, peeled and cut into ½-inch cubes
1 tablespoon finely chopped parsley
1 tablespoon finely chopped chives
1 tablespoon finely chopped tarragon