Grilled Steak Tacos Recipe

Ingredients

• ¼ cup extra-virgin olive oil, divided
• 1 Tbsp. chili powder
• 1 tsp. kosher salt
• 1 tsp. ground black pepper
• 1 lb. beef flank steak
• 1 red bell pepper, seeded and quartered
• 1 red onion, quartered
• 8 (8-inch) soft flour tortillas
• 1 recipe Guacamole