Flank Steak Tostadas

Ingredients

• 4 Casa Mendosa® 50/50 Corn-Wheat Tortilla
• 1 tbsp. ground chipotle chili
• 1 tbsp. dark brown sugar
• 1 tsp. ground coriander
• 1 tsp. garlic powder
• 1 tsp. onion powder
• ¼ tsp. black pepper
• 2 tsp. kosher salt, divided
• 1 (2 lb) flank steak
• 1 tbsp. olive oil
• 1 avocado
• 1 tbsp. fresh lime juice, plus lime wedges for serving
• Cherry tomato halves
• Shredded cabbage
• Thinly sliced radishes