Tex-Mex Steak Fajitas with Peppers and Onions

Tex-Mex Chili Rub:

• 1 tablespoon paprika
• 2 teaspoons light brown sugar
• 1 1/2 teaspoons chili powder
• 1 teaspoon ground cumin
• 1/2 teaspoon chipotle chile powder
• 1/2 teaspoon garlic powder
• Kosher salt
• 1 1/2 pounds skirt steak
• 1 tablespoon olive oil
• 1 lime, juiced

Peppers and Onions:

• 2 red bell peppers, cut into 1-inch strips
• 2 yellow bell peppers, cut into 1-inch strips
• 2 large red onions, thickly sliced
• 3 tablespoons olive oil
• 2 limes, juiced
• Kosher salt
• Neutral oil, for oiling the grill grates
• Warm tortillas, for serving
• Suggested toppings: guacamole, sliced pickled jalapenos, lime wedges, mango salsa, chopped scallions, shredded Cheddar