Preheat oven to 350°. In a large bowl, whisk together first six ingredients. In another bowl, whisk together egg, milk, and oil. Stir in cheese and add to flour mixture; stir just until moistened.
Spoon batter into a greased 9-in. cast-iron skillet and bake at 350° until a toothpick inserted in center comes out clean, 25-30 minutes.
Notes
Cheesy Garlic Herb Quick Bread
This could be the perfect bread for any dish. The sharp cheddar cheese makes it irresistible.
Test Kitchen tips
For skillet bread, prepare batter as directed. Spoon batter into a greased 8-in. cast-iron skillet and bake at 350° until a toothpick inserted in center comes out clean, 45-50 minutes.
For muffins, prepare batter as directed. Spoon batter into nine greased muffin tins and bake at 350° until a toothpick inserted in center comes out clean 25-30 minutes.