Sausage Taco Cups

Name: Sausage Taco Cups
Ingredients: 1/2 cup apple cider vinegar; 2 tablespoons sugar; Kosher salt; 1 teaspoon black peppercorns; 1 bay leaf; 1 jalapeno pepper, sliced (seeded if desired); 1 small red onion, thinly sliced; 8 small flour tortillas (about 7 inches in diameter); Cooking spray; 1/2 teaspoon chili powder; 1/4 cup mayonnaise; 1/4 cup buttermilk; 1 teaspoon yellow mustard; 1/4 teaspoon garlic powder; Juice of 1 lime; Kosher salt and freshly ground pepper; 4 cups shredded iceberg lettuce; 1/2 cup shredded carrot; 1/4 cup fresh cilantro; 2 scallions, thinly sliced; 1/2 small red bell pepper, thinly sliced; 1 10-ounce package smoked chicken sausage, cut into 1/2-inch-thick slices on the bias; 1 cup grated cheddar cheese; 1 avocado, diced; Lime wedges, for serving