Dilly Cheese Muffins

3 cups biscuit mix

1 1/2 cups shredded Swiss cheese

1 tablespoon sugar

1 large egg

1 1/4 cups milk

1 tablespoon vegetable oil

1 tablespoon chopped fresh dill

1/2 teaspoon dry mustard

Vegetable cooking spray

* Combine first 3 ingredients in a large bowl; make a well in center of mixtu re.

* Combine egg and next 4 ingredients, stirring well; add to dry ingredients, s tirring just until moistened.

* Place paper baking cups in muffin pans; coat with cooking spray. Add batter , filling two-thirds full.

* Bake at 350F for 25 to 28 minutes. Remove from pans immediately, and cool on wire racks.