Prep Time: 30 min. | Makes: 4 servings.
Prick potatoes in several places with fork. Microwave on HIGH 14 min. or just until tender, turning after 7 min.
Meanwhile, brown meat in large skillet; drain. Add next 3 ingredients; cook until VELVEETA is melted and mixture is well blended, stirring frequently.
Split potatoes; mash insides with fork. Top with meat mixture and sour cream.