Split Pea Soup

The best ever split pea soup you'll ever taste!!
Ingredients:
1 tbsp Olive Oil
2 tbsp butter
1 onion, diced
3 stalk of celery, diced
1/4 tsp Thyme leaves, dried
3 carrots, chopped
4 cloves garlic, minced
1/4 tsp ground pepper
5-6 cups chicken or vegetable broth, I used Better than Bouillon Chicken
1 lbs Green Split Peas, rinsed
1/2 tsp Kosher Salt
1 tbsp bacon fat or 4 slices of bacon
2-3 cups leftover ham