Pulled BBQ Jackfruit

Name: Pulled BBQ Jackfruit
Cuisine: American
Ingredients: 1 can young green jackfruit (14 ounces, packed in water or brine), drained, and rinsed; ½ cup ketchup; 3 tablespoons apple cider vinegar; 1 tablespoon lemon juice; 1 tablespoon maple syrup; 1 tablespoon Dijon mustard; 1 tablespoon vegan Worcestershire sauce (Wizard’s or Annie’s); 2 teaspoons olive oil (optional); ½ teaspoon smoked paprika; ½ teaspoon onion powder; ½ teaspoon garlic powder; ½ teaspoon chili powder; ½ teaspoon black pepper; ½ medium red onion, thinly sliced; 3 burger buns; 1 large avocado, mashed; Squeeze of fresh lemon juice; Salt and black pepper to taste