Broccoli & Gouda Stuffed Cornbread

Ingredients

• 1 cup buttermilk
• 3 tablespoons unsalted butter, melted and cooled
• 3 tablespoons canola oil
• 2 large eggs
• 1 cup all-purpose flour
• 1 cup coarse-ground yellow cornmeal
• 4 tablespoons brown sugar
• 2 ½ teaspoons baking powder
• ¼ teaspoon baking soda
• ½ teaspoon salt
• 1 cup shredded Gouda, more for topping
• 12 florets broccoli
• Water, for blanching the broccoli
• Ice water, for stopping the broccoli from cooking