Sheet Pan Tacos

Ingredients (16)

• 3 pounds ground beef, I used ground chuck 80%-20% blend
• 5 tablespoons canola oil, divided
• 2 cups yellow onion, chopped
• 4 cups shredded Colby jack cheese, from 2 (8-ounce blocks)
• 16 soft taco flour tortillas (8-inch)
• 2 tablespoons chili powder
• 1 tablespoon cornstarch
• 1 tablespoon ground cumin
• 1 tablespoon smoked paprika
• 2 teaspoons salt
• 1 teaspoon garlic powder
• 1 teaspoon onion powder
• 1 teaspoon dried oregano
• 1 teaspoon black pepper
• ⅛ teaspoon cayenne pepper
• 1 1/2 cups pico de gallo