Onion and Cheese Beer Bread

Bahan-bahan (12 porsi)

• 1 tablespoon extra-virgin olive oil
• 1 cup (about ½ medium) diced onion
• 3 cups all purpose flour
• 3 tablespoons granulated white sugar
• 2 teaspoons baking powder
• 1 teaspoon salt
• 1 cup (4-ounces) grated Fontina cheese
• One 12-ounce botttle beer ((such as amber ale))
• ¼ cup (½ stick) butter, (melted and divided)