Coconut and Lemongrass Steak Skewers

Name: Coconut and Lemongrass Steak Skewers
Ingredients: 2 serrano chiles, chopped (seeds and all); ¼ cup fresh lime juice; 2 Tbsp. extra-virgin olive oil; 2 Tbsp. finely chopped red onion; 2 tsp. honey; Kosher salt; 2 lemongrass stalks, bottom third only, tough outer layers removed, thinly sliced; 2 serrano chiles, with seeds if you want some heat; 1 2 piece ginger, peeled, thinly sliced; 4 garlic cloves; 1 13.5-oz. can unsweetened coconut milk; ⅓ cup seasoned rice vinegar; 1½ lb. trimmed hanger, flatiron, or flap (bavette) steak, cut into 1 cubes; Vegetable oil (for grill); Chopped cilantro (for serving); Ten to twelve 8–10 metal skewers, or bamboo, soaked 30 minutes