In a smoker safe dish, or a large aluminum pan, add the Velveeta cheese, pepper jack cheese, cooked chorizo, diced jalapenos, diced onion, contents of the cans of Rotel, garlic powder, and paprika.
½ lb pepper jack cheese, 1 lb Velveeta Cheese, 2 jalapenos, ½ onion diced, 2 cans (10 oz) Diced Tomatoes and Green Chilies or Habaneros, 1 tbs garlic powder, 2 teaspoon paprika