Preheat your oven to 425°F (220°C) and line a large baking sheet with parchment paper for easy cleanup.
Scrub the russet potato clean and dice into half-inch cubes, then place them in a bowl and toss with half the olive oil, garlic powder, sea salt, and black pepper.
Spread the potatoes in a single layer on the baking sheet and roast for 20 to 25 minutes, flipping halfway through, until they are golden and crispy on the outside.
While the potatoes roast, slice the chicken breast into thin strips and finely mince the chipotle peppers from the adobo sauce.
In a medium bowl, combine the chicken strips with the minced chipotle peppers and lime juice, tossing well to ensure every piece is coated in the smoky marinade.
Heat the remaining olive oil in a large non-stick skillet over medium-high heat.
Add the marinated chicken, sliced red bell peppers, and red onions to the skillet, sautéing for 8 to 10 minutes until the chicken is cooked through and the vegetables are tender with a slight char.
Remove the crispy potatoes from the oven and divide them into bowls, topping with the spicy chipotle chicken and pepper mixture.