Chocolate Chip Muffins

3/4 c Milk
1/4 c Butter, melted
1 Egg
1 3/4 c Flour, all-purpose
1/3 c Brown sugar, packed
2 1/2 ts Baking powder
3/4 ts Salt
1/2 c Chocolate chips, semisweet
1/2 c Walnuts, chopped Heat oven to 400 degrees F.; line 12 medium muffin cups with paper baking cups or grease bottoms only of muffin cups. Beat milk, margarine and egg.
Stir in remaining ingredients, all at once, just until flour is moistened (batter will be lumpy). Fill muffin cups about 2/3 full. Bake 18 to 20 minutes or until golden brown.