01 -
Preheat oven to 204°C (400°F). Wash potatoes thoroughly, pierce skin several times with a fork, then coat evenly with olive oil, salt, and pepper. Place on a foil-lined baking sheet.
02 -
Bake potatoes in preheated oven for 45 minutes until skins are crisp and interiors are tender.
03 -
In a skillet over medium heat, brown ground beef with diced onion until cooked through. Drain excess fat, then stir in taco seasoning and water. Reduce heat to low and simmer gently for several minutes to blend flavors.
04 -
Combine Velveeta, shredded pepper jack, diced chilies, and evaporated milk in a saucepan. Melt over medium-low heat, stirring continuously until the mixture is smooth and creamy.
05 -
Switch oven to low broil. Return potatoes to oven and broil for an additional 15 minutes to finish cooking and crisp the skins further.
06 -
Cut open each potato lengthwise and fluff the interior with a fork. Spoon cheese sauce over the potatoes, layer with taco meat, and garnish with desired toppings such as grated cheese, tomatoes, jalapeños, sour cream, cilantro, and hot sauce.