Steak Fajita Foil Dinner

Ingredients

• 1 1/2 pounds top sirloin, thinly sliced
• 3 bell peppers, colors of your choice, thinly sliced
• 1 small yellow onion, thinly sliced
• 3 tablespoons oil
• 1 teaspoon salt
• 1/4 teaspoon black pepper
• 1 teaspoon garlic powder
• 1 teaspoon ground cumin
• 1 teaspoon chili powder
• 1/2 teaspoon cayenne pepper
• 1 lime, juiced
• 6 fajita-size flour tortillas
• salsa, to taste
• sour cream, to taste
• guacamole, to taste
• cilantro, to taste, chopped
• lime wedges, to taste