1Heat oven to 425°F. Line cookie sheet with cooking parchment paper.
2In food processor, place flour, cornmeal, sugar, baking powder, baking soda, salt and red pepper. Add 3/4 cup butter. Cover; process with on-and-off pulses 3 or 4 times or until mixture looks like coarse meal. Place mixture in large bowl; stir in cheese. In small bowl, beat egg and buttermilk with whisk until blended. Add egg mixture to dry ingredients, stirring just until moistened.
3On floured surface, knead dough lightly 3 or 4 times. Pat dough into 10x7-inch rectangle. Cut dough into 15 squares. Place squares on cookie sheet. Brush tops with melted butter; sprinkle with sea salt.
4Bake 20 minutes or until golden. Serve warm.