Sheet Pan Street Style Steak Tacos

Bahan-bahan (6 porsi)

• 1 1/2 pounds flank or skirt steak
• 1 onion, sliced
• 1 tablespoon garlic powder
• 1 tablespoon chili powder
• 2 teaspoons chipotle chili powder
• 2 teaspoons smoked paprika
• 2 teaspoons cumin
• 2 teaspoons dried oregano
• 1 teaspoon salt
• 2 tablespoons olive oil
• 2 cups corn kernels
• warmed corn or flour tortillas
• avocado, feta, and cilantro, for serving
• 6 tablespoons salted butter
• 1 chipotle chile in adobo, chopped
• 1/3 cup hot sauce
• 2 tablespoons lime juice
• 1 teaspoon seasoned salt