Preheat oven:
Preheat oven to 375°F (190°C).Prepare chicken with cream cheese:
Arrange chicken breasts in a single layer in a baking dish. Dust with garlic powder, then evenly coat with softened cream cheese.Prepare jalapeños and cheese topping:
Rinse jalapeños, trim tops, and discard seeds and membranes for a milder taste (or keep some for extra heat). Slice into strips and arrange over cream cheese. Top with grated cheddar.Bake and add bacon:
Bake for 40-45 minutes. With 5 minutes remaining, take dish out, scatter bacon on top, and return to oven. Chicken is fully cooked when internal temp hits 165°F (75°C).Serve hot:
Serve hot alongside potatoes, vegetables, or a baked potato.