Brown butter over medium heat until golden and nutty; remove from heat.
Whisk all dry ingredients together in a large bowl.
In a separate bowl, mix brown butter, creamed corn, eggs, and buttermilk.
Combine wet and dry ingredients just until mixed. Do not overmix.
Fold in mozzarella and jalapeños.
Preheat a cast iron skillet in the smoker at 375°F.
Add a small amount of butter to the hot skillet, then pour in batter.
Smoke for 35–40 minutes until golden and set.
Rest 5 minutes, remove from skillet, and optionally brush with honey butter glaze.