Yes! Pour the melted butter into the bottom of the slow cooker. In a large bowl, blend the cream style corn, frozen corn, cornbread mix, eggs, sour cream, 1 cup of the shredded cheese, black pepper, and chopped jalapenos. Pour the batter into the slow cooker. Sprinkle the remaining cheese all over the top of the casserole. Place the jalapeno slices on top of the cheese. Cover and cook on high for 2-½ to 3 hours.