1. 1. Preheat the oven to 375°F (190°C).

2. 2. Cook the noodles according to package instructions and set aside.

3. 3. In a large bowl, mix together diced boneless chicken, garlic salt, chopped bell peppers, and 1% milk.

4. 4. Peel and slice the baking potatoes into thin rounds.

5. 5. Grease a baking dish and layer half of the sliced potatoes at the bottom.

6. 6. Spread half of the chicken mixture over the potatoes.

7. 7. Sprinkle a layer of cheddar cheese on top.

8. 8. Repeat with another layer of potatoes, chicken mixture, and cheese.

9. 9. Cover the dish with foil and bake for 30 minutes.

10. 10. Remove the foil and bake for an additional 15 minutes until the cheese is bubbly and golden brown.

11. 11. Serve hot and enjoy!