Butter-Baked Cucumber Tostadas

Ingredients

• Red Cabbage Coleslaw
• ½ head red cabbage, shredded
• 1 bunch green onions, thinly sliced
• ½ cup cilantro leaves
• Juice of 2 limes
• 1 tablespoon apple cider vinegar
• 1 tablespoon sugar
• Kosher salt
• Freshly ground black pepper
• Tostadas
• 6 Persian cucumbers, halved lengthwise
• 3 tablespoons unsalted melted butter
• 1 shallot, thinly sliced
• ⅓ cup mayonnaise
• 2 tablespoons sriracha
• ½ teaspoon smoked paprika
• 6 small corn tortillas or 6 store-bought tostadas
• Cilantro and lime wedges, for serving