Make-Ahead Stuffed Chicken Tortillas

Ingredients

• 4-5 tablespoons vegetable oil or canola oil, divided
• 1 large boneless, skinless chicken breast (about 3/4-1 pound), cubed into 1-inch pieces
• 1 large garlic clove, minced
• 1/4 teaspoon minced fresh oregano or 1 pinch dried oregano
• 1/2 teaspoon chili powder
• 1 1/2 tablespoons tomato paste
• 1/3 cup water or chicken broth
• 1 10-count bag taco-size flour tortillas
• 1/2 cup thawed frozen corn
• 1 6-ounce bag shredded mild Cheddar cheese or Monterey jack cheese
• 4 scallions, minced
• 1 16-ounce jar tomatillo salsa
• Sour cream for serving (optional)
• Pico de gallo or your favorite salsa for serving (optional)
• Minced fresh cilantro for garnish (optional)