Set your pressure cooker to saute and brown ground beef. Drain.
Add chopped onion and bell pepper
Add onion powder, chili powder, Worcestershire, ketchup, brown sugar and fire roasted tomatoes.
Close pressure cooker lid and cook on high pressure for 5 minutes.
Remove lid. Set the saute setting and saute for 4-5 more minutes so the sauce thickens.
You're done! It's time to eat!