For the Quick Pickled Onions:

• 1 small red onion, sliced thin
• 3/4 cup apple cider vinegar
• 1/2 tsp kosher salt
• 1/2 tsp peppercorns
• 1/2 tsp coriander seeds

For the Chicken:

• 2 tbsp ghee or butter
• 1/2 tsp paprika
• 1 tsp chili powder
• 1/2 tsp cumin
• 1/2 tsp dried oregano
• 2 tbsp tomato paste
• 4 oz chopped green chiles from a can
• 1/3 cup chicken broth, low sodium
• kosher salt, to taste
• black pepper, to taste
• 3 cups shredded rotisserie chicken or any cooked, shredded chicken

For the Tostadas:

• 8 tsp olive oil
• 6 grain free tortillas (I prefer Siete cassava flour tortillas)
• 1 cup store-bought or homemade guacamole
• 2 cups romaine lettuce, thinly sliced or 1 small head
• 1 tbsp cilantro, chopped
• 1 lime, sliced into wedges