01 -
Preheat oven to 425°F. Spray a 9x13-inch casserole dish with non-stick baking spray; set aside.
02 -
In a large skillet, heat olive oil over medium-high heat. Add diced onions and sauté for 3-4 minutes, stirring occasionally. Add garlic and sauté for 1-2 more minutes.
03 -
Add ground beef to the skillet, breaking it apart with a wooden spoon. Cook for 8-10 minutes, stirring occasionally, until no longer pink. Drain excess liquid, if any.
04 -
Stir in tomato paste, chili powder, cumin, salt, pepper, thyme, and oregano. Cook for 2-3 minutes to combine flavors.
05 -
Stir in pinto beans, kidney beans, crushed tomatoes, and chicken broth. Bring mixture to a boil over high heat, then remove skillet from heat.
06 -
Transfer the beef mixture into the prepared baking dish. Evenly layer frozen tots on top.
07 -
Bake uncovered for 25-30 minutes, or until tots are golden brown.
08 -
Remove casserole from the oven. Sprinkle shredded cheddar cheese and chopped cilantro on top. Return to the oven and bake for 5-10 more minutes, or until cheese has melted.
09 -
Let the casserole cool for 10 minutes before serving.