1Heat oven to 400°F. Place paper baking cup in each of 12 regular-size muffin cups.
2In medium bowl, mix flour, sugar, baking powder and salt. In small bowl, mix oil, milk, egg and vanilla. Pour into flour mixture; stir just until combined. Stir in cinnamon chips. Divide batter evenly among muffin cups.
3Bake 18 to 20 minutes or until toothpick inserted in center comes out clean. Cool 5 minutes; remove from pan to cooling rack. Serve warm, if desired.