Spray a large pan with nonstick cooking spray.

Add ground turkey, Worcestershire sauce (if using), chopped green pepper, and chopped onion to the pan.

Cook on medium-high heat, breaking up and crumbling the turkey, until browned but the pepper and onion are still crisp. Drain excess fat if needed.

Return the meat mixture to the pan.

Turn heat down to medium and add spaghetti sauce. Stir to combine.

Heat to boiling, stirring occasionally.

Reduce heat to low and keep warm while finishing cooking spaghetti noodles.

Fill a large pot with water.

Add olive oil (if using) to the water.

Heat on high to boiling.

Add salt (if using) to boiling water.

Break spaghetti noodles in half (if desired).

Add to boiling water and turn down to medium-high.

Ensure water continues to boil and cook spaghetti to desired doneness per package directions.

Drain the spaghetti noodles.

Serve hot spaghetti noodles with the ground turkey sauce.