Roast the Potatoes
Preheat the oven to 400°F. Toss the diced potatoes with olive oil, salt, oregano, garlic powder, and paprika. Spread evenly on a baking sheet and roast for 30–35 minutes, flipping halfway, until golden and crispy.
Make the Fresh Salsa
While the potatoes cook, combine the tomato, jalapeño, red onion, lime juice, cilantro, salt, and pepper in a bowl. Stir well and set aside.
Cook the Taco Beef
Heat a skillet over medium-high heat. Add the ground beef and season with all spices and taco seasoning. Cook for 8–10 minutes, breaking it apart, until fully browned. Season with salt and pepper to taste.
Prepare the Spicy Mayo
In a small bowl, mix the mayonnaise, hot chili sauce, lemon juice, and black pepper until smooth. Refrigerate until ready to use.
Assemble the Bowls
Divide the roasted potatoes evenly among four meal prep containers. Add the seasoned beef beside or over the potatoes. Top with fresh salsa and drizzle with spicy mayo.