Ingredients: Creamed corn: 3 tablespoons unsalted butter, plus more for greasing the baking dish 1 medium onion, finely chopped 1 teaspoon fresh thyme leaves Kosher salt and freshly ground black pepper Two 16-ounce bags frozen corn, thawed 1 1/2 cups heavy cream 1/2 pound thick-sliced deli ham, diced 5 ounces frozen kale (about 1 3/4…