Turn Instant Pot to sauté. Add bacon and fry until crispy. Move to a paper towel lined plate. Add ground beef and onion into the Instant Pot. Cook for about 5 minutes.
Add broth and turn off the pot. Add Worcestershire, chili powder, cumin, garlic salt, lemon pepper, and oregano. Break spaghetti and lay it in the pot criss-cross.