- Nonstick vegetable oil spray
 - 1/2 cup (1 stick) unsalted butter
 - 1 cup sliced green onions
 - 2 cups yellow cornmeal
 - 1 cup unbleached all purpose flour
 - 1/2 cup sugar
 - 4 teaspoons baking powder
 - 1 teaspoon salt
 - 1 1/2 cups buttermilk
 - 2 large eggs, beaten to blend
 
- Preheat oven to 400°F. Lightly spray 13x9x2-inch metal baking pan with nonstick spray. Melt butter in medium skillet over medium heat. Add 1 cup sliced green onions and sauté until beginning to soften, about 3 minutes. Cool.
 - Whisk 2 cups cornmeal, 1 cup flour, 1/2 cup sugar, 4 teaspoons baking powder and 1 teaspoon salt in medium bowl to blend. Add onion-butter mixture, buttermilk and eggs; stir until just combined. Transfer batter to prepared pan.
 - Bake corn bread until edges are lightly browned and tester inserted into center comes out clean, about 20 minutes. Cool completely. (Can be prepared 1 day ahead. Wrap tightly in foil and store at room temperature.)