Add olive oil and butter to a large medium-high heated skillet.
Saute onion and garlic for 2-3 minutes or until onions are translucent.
Add pulled pork to skillet; sauté for 2 minutes
Add squash, Greek seasoning, and pepper to skillet.
Cover and simmer for about 12-15 minutes.
Do not overcook.
Adjust seasoning to taste.