Preheat oven to 425°F.
Boil potatoes in salted water for 20 minutes.
Drain potatoes completely and let cool slightly.
Place potatoes on oiled baking sheet.
Gently smash each potato with masher.
Drizzle olive oil over smashed potatoes.
Season with salt, pepper, and garlic powder.
Bake for 25 minutes until golden.
Mix cream cheese with diced jalapeños.
Spread mixture on each smashed potato.
Top with bacon bits and cheddar cheese.
Bake 10 more minutes until cheese melts.
Garnish with fresh green onions before serving.