My best Pulled Pork

Ingredients

For 15 servings

• 4 - 5 kg / 8 - 10 lb pork butt / Boston butt / square cut pork shoulder ((skinless, bone in, fat cap on, Note 1))
• 1 1/2 cups beer (, any except dark beers like Guinness (Note 2))
• 1 cup water
• 6 tbsp brown sugar
• 2 tbsp paprika powder
• 1 tbsp garlic powder
• 1 tbsp onion powder
• 1 tbsp mustard powder
• 2 tsp cumin powder
• 2 tsp dried oregano
• 1 tsp cayenne pepper ((can omit))
• 2 tbsp cooking/kosher salt* ((Note 4))
• 2 tsp black pepper
• 1 cup apple cider vinegar ((Note 5))
• 3 cups ketchup ((or Aussie tomato sauce))
• 1 cup water
• 3 tbsp molasses ((original, not backstrap, Note 6))
• 2/3 cup brown sugar
• 4 tsp Worcestershire sauce
• 2 tsp Tabasco ((optional spiciness))
• 4 tsp mustard powder
• 3 tsp garlic powder ((sub onion powder))
• 2 tsp cooking/kosher salt ((Note 4))
• 2 tsp black pepper