Jalapeno Breadsticks

1 tablespoon unsalted butter
1/2 medium onion, chopped medium fine
Cornmeal
2 teaspoons active dry yeast
1/4 cup warm water
1 1/2 teaspoons granulated sugar
1 1/2 teaspoons salt
6 jalapeno chiles, seeded and chopped
1 cup buttermilk
3 1/2 cups bread flour

Saut