Fish tacos with avocado mayonnaise & other toppings - Trois fois par jour

Ingredients

• Salt and pepper, to taste
• 4 cod fillets
• 1/4 cup flour, or more, as needed
• 2 tablespoons butter
• 8 soft tacos
• 1 lime, cut into quarters
• 1/2 cup store-bought or homemade salsa
• 2 cups store-bought coleslaw mix (sold in bags)
• 1/4 cup rice vinegar
• 1 tablespoon sugar
• 2 tablespoons vegetable oil
• 1/2 cup store-bought or homemade mayonnaise
• 1 avocado
• Juice of 1 lime
• 1/4 cup fresh cilantro