Preheat and Prep: Preheat oven to 425°F and spray a 9x13-inch dish with non-stick spray.
Sauté Aromatics: Cook diced onions and garlic in olive oil until soft and fragrant.
Cook the Beef: Brown the ground beef, breaking it up and draining excess fat.
Season the Meat: Stir in tomato paste and spices; cook for a few minutes to deepen flavor.
Build the Chili: Add beans, crushed tomatoes, and broth; stir and bring to a gentle boil.
Assemble Casserole: Transfer mixture to the dish and top with frozen crispy tots.
Bake: Bake uncovered for 25–30 minutes until tots are golden and crisp.
Add Cheese and Cilantro: Sprinkle on cheese and cilantro, then bake for another 5–10 minutes.
Let it Rest: Cool for 10 minutes before serving to help it set.