Very Cheesy Bean Dip

2 cans refried beans
1 can black beans
1 lb hamburger
1 small can green chilies
1 8 oz pkg. cream cheese, room temperature
1 small bottle cheese whiz

Brown hamburger. Mix all ingredients in large pot and simmer for 15 to 20 minutes. I usually cook mine in my crock pot on low for about an hour or 2. Serve with tortilla chips.