Slow Cooker Carne Asada Steak Tacos - Six Sisters' Stuff

Ingredients

• 2 pounds flank steak ( (or London Broil steak, thinly sliced))
• 1 cup salsa
• 1 (10 ounce) can diced tomatoes with green chiles
• 1 teaspoon cumin
• 1 teaspoon chili powder
• 8 flour tortillas ((or corn tortillas))
• 2 tomatoes ((diced - optional))
• 2 avocado ((diced - optional))
• ½ cup chopped onion ((optional))
• 1 cup shredded lettuce ((optional))
• 6 Tablespoons mayonnaise
• 2 teaspoons chipotle chiles in adobo ( (chopped) )
• 2 Tablespoons fresh cilantro ( (chopped))
• 1 teaspoon minced garlic
• ½ teaspoon cumin
• 4 teaspoons fresh lime juice
• salt and pepper (to taste)