Chile Con Queso Chili Cheese Dip
In 1-quart casserole, cook onion in butter at HIGH for 2 minutes or till tender, stirring once.
Stir in tomatoes, chilies, and salt.
Cook, covered, at HIGH for 5 minutes.
Stir in cheese, a little at a time, stirring till melted.
Stir in a little milk if ..