Cowboy Queso *

1 pound hamburger meat, cooked and drained
1 pkg (32 oz) Velveeta, diced
1 package taco seasoning
1 Tbsp sour cream
1 Tbsp cream cheese
1 Tbsp butter
2 cans rotel

Combine all in slow cooker and cook on low for 1 hour or until all is melted, stirring occasionally.  Can also cook in large pot on stovetop on low heat, stirring frequently to avoid burning.

Serves 20