Prepare the Ingredients:Begin by chopping all your ingredients. Dice the onions, garlic, and jalapeños. Slice the sausage into bite-sized pieces. Grate the cheddar cheese, and cube the Velveeta and cream cheese for easy melting.
Preheat the Smoker:Set your smoker to 225°F. This temperature is ideal for infusing the queso with a subtle smoky flavor without overcooking the cheese.
Combine the Ingredients:In a smoker-safe cast-iron skillet or baking dish, combine the Velveeta, cheddar, cream cheese, sausage, tomatoes with green chilies, jalapeños, onions, garlic, and milk. Stir everything until the mixture is evenly combined.
Smoke the Queso:Place the skillet in the smoker, away from direct flames. Let it smoke for about 45-60 minutes, stirring occasionally to ensure all the cheese melts evenly. You'll know it's ready when the queso is creamy and smooth.
Serve:Once melted and smooth, remove the skillet from the smoker. Stir the queso one last time to ensure a consistent texture. Serve immediately with tortilla chips, crackers, or as a topping for nachos or tacos.