Mini Sheet Pan Tostadas with Chicken, Cheese, and Beans

Ingredients

• 12 corn tortillas, street taco size, approximately 10 cm diameter
• 3 tablespoons vegetable or canola oil, or as needed
• 450 g traditional refried beans (just under 1 standard 454 g can)
• 2 cups shredded rotisserie chicken breast, approximately 280 g
• 2 cups shredded cheese (sharp cheddar or Monterey Jack), approximately 180 g
• 70 ml sour cream, or as needed
• 40 g finely diced red onion, or as needed
• 10 g chopped cilantro leaves, or as needed
• 6 cherry or grape tomatoes, chopped into small pieces
• Hot sauce, to taste