1. Place a barbecue wok on the grill (see note). Preheat the grill, setting the burners to high.
2. In a large bowl, whisk together the honey, oil, lime juice and spices. Add the shrimp and tomatoes. Season with salt and pepper. Mix well.
3. Grill the shrimp and tomatoes in the wok for 2 minutes on each side or until cooked through. Set aside on a plate.
4. On a work surface, lay out the tostadas. Top with the sour cream, lettuce, shrimp, tomatoes and avocado. Sprinkle with cilantro leaves. Place the tostadas on plates. Serve with lime wedges and hot sauce.

NOTE FROM RICARDO

Perfect for grilling small vegetables and seafood, the barbecue wok allows you to stir or flip ingredients while keeping them from falling through the grate. If you don’t have a wok, thread the shrimp onto skewers to make them easier to handle on the grill.