Yum Nua

Ingredients

• 1 pound flank steak or sirloin steak
• 1 teaspoon vegetable oil
• 1/2 teaspoon salt
• 1/4 teaspoon black pepper
• 1/4 cup fresh lime juice
• 3 tablespoons fish sauce
• 1 tablespoon palm sugar, grated
• 4 Thai chiles, thinly sliced
• 3 cloves garlic, minced
• 1 cup cherry tomatoes, halved
• 1/2 English cucumber, thinly sliced
• 1/2 cup shallots, thinly sliced
• 1/2 cup fresh cilantro leaves
• 1/4 cup fresh mint leaves
• 2 green onions, sliced
• 2 tablespoons toasted rice powder
• 2 cups lettuce leaves, for serving