Mocha Toffee Chip Muffins

1. In a large bowl combine dry ingredients and whisk together. 2. In another bowl, combine liquids, oil, eggs, sour cream and vanilla, whisking to combine well. 3. Stir liquid ingredients into dry, stirring just until moistened. Fold in toffee bits and chocolate chips. 4. Fill greased or paper-lined muffin cups. Bake at 425 for 10 min, reduce oven temperature to 350 and bake for an additional 5 - 10 minutes or until tester comes out clean. 5. Cool for 5 minutes in pan, then remove to wire rack and cool completely.