Preheat the oven to 400°F (200°C).

In a large skillet, cook and crumble the ground beef with onion and garlic over medium heat until no longer pink, for 4-6 minutes.

Stir in the chili powder, ground cumin, and drained diced tomatoes.

Bring to a boil, then remove from heat.

In a small bowl, mix together the ricotta cheese, mozzarella cheese, and 2 tablespoons of minced cilantro.

Place one tortilla in a 9-inch round baking pan coated with cooking spray.

Layer with half of the meat sauce, then place another tortilla on top.

Spread the ricotta mixture over the tortilla, then place another tortilla on top of the ricotta mixture.

Layer with the remaining meat sauce, then place the last tortilla on top.

Sprinkle with shredded cheddar cheese and the remaining minced cilantro.

Bake, covered, until heated through, for 15-20 minutes.

Serve hot and enjoy your Mexican Tortilla Bake!