
Preheat oven to 400°F. Butter 9 x 9 x 2-inch baking pan. Over med. heat melt about 1 tablespoon butter in a saucepan. Add chopped onions and saute until lightly browned. Set aside and cool. Mix cornmeal, flour, sugar, baking powder, salt and baking soda together in a large bowl. Add the remaining butter and rub in with finger until mixture resembles coarse meal. Whisk buttermilk and eggs in medium bowl till mixed. Add buttermilk mixture to dry ingredients and stir with a wooden spoon until mixed. Add cheese, corn, red peppers, basil and onion. Place mixture into baking pan.