Perfect, Forever Cornbread

Name: Perfect, Forever Cornbread
Cook time: 45 min
Total time: 45 min
Cuisine: American
Ingredients: 1/2 cup (4 ounces or 115 grams) unsalted butter, cold is fine; 1 cup (135 grams) fresh or frozen corn kernels, no need to defrost; 3 tablespoons (40 grams) light brown or granulated sugar; 3/4 teaspoon fine sea or table salt; 1 cup (235 ml) buttermilk, well-shaken, cold is fine; 2 large eggs; 1/4 teaspoon baking soda; 2 teaspoons baking powder; 1 1/2 cups (195 grams) all-purpose flour; 1 cup (155 grams) cornmeal