01 - Preheat oven to 425°F and line a baking sheet with parchment paper.
02 - Toss diced potatoes with olive oil, smoked paprika, garlic powder, salt, and black pepper in a large bowl until evenly coated.
03 - Spread potatoes in a single layer on the prepared baking sheet. Roast for 25 minutes, flipping halfway through, until golden and crispy.
04 - While potatoes roast, heat a large skillet over medium heat. Add ground beef and cook, breaking up with a spoon, for 5–6 minutes until browned. Drain excess fat if needed.
05 - Stir in chopped onion and minced garlic. Sauté for 2–3 minutes until softened and fragrant.
06 - Add taco seasoning, salt, and water to the skillet. Stir well and simmer for 2–3 minutes until the sauce has thickened and coats the meat.
07 - Divide roasted potatoes among four bowls. Top each portion with seasoned taco beef, then arrange cheddar cheese, sour cream, cherry tomatoes, black beans, lettuce, avocado, green onions, cilantro, and jalapeño as desired.
08 - Serve immediately with salsa or hot sauce on the side. Garnish with extra cilantro and a lime wedge if desired.