Southern Yank Pork

Ingredients

• 1 1/2 cups onion, chopped
• 1 cup barbeque sauce, homemade or store-bought
• 1 cup celery, chopped
• 1 cup water
• 3/4 cup ketchup
• 1/4 cup honey
• 1/4 cup light brown sugar
• 1/4 cup Worcestershire sauce
• 3 cloves garlic, chopped
• hot pepper sauce, to taste
• 1 1/2 teaspoons chili powder
• salt, to taste
• ground black pepper, to taste
• 1 (3-pound) pork shoulder roast