Sweet n’ Spicy Raspberry Chipotle Barbecue Sauce

butter

small diced yellow onions (about 1.5 onions)

green bell pepper, small diced

stalks celery, small diced

chipotle peppers in adobo sauce, chopped

minced garlic

tomato sauce

bottle ketchup

Worcestershire sauce

water

tsbp white wine vinegar

Raspberry Chipotle Tabasco sauce

pureed fresh raspberries (you can technically just mash them really well with a fork)

salt (or to taste)